Suheil H. Sabbagh holds a B.Sc. in Computer Science from Webber University, USA and is currently the President of Human Resources of a leading international and regional group in the construction section of Consolidated Contractors International Company (CCC), of which he is a major shareholder.
On a personal level, he is involved in many humanitarian projects both in Greece and abroad and is a patron of many charity organizations. Mr. Sabbagh is married and has three children.
Tim Ananiadis was born and raised in Greece and at the age of 17 went to Canada to study Business Administration at Ryerson University in Toronto, subsequently moving to the USA where he started his career in the hospitality industry.
Tim has over 40 years of international experience in the hospitality industry, beginning with Hyatt Hotels where he started his career at the Hyatt Regency Atlanta, and subsequently holding the position of Director of Food and Beverage in several hotels (including Hyatt Regency New Orleans, Hilton Head, Nashville, Buffalo, and Columbus). In 1988 he moved to Chicago as the Corporate Director of Food and Beverage for Hyatt Hotels with main responsibilities being menu engineering, product development, recruitment, development and implementation of service standards and training, concept development and hotel pre-opening support.
As General Manager he held positions in the USA at the Hyatt Regency Pittsburgh, Hyatt Regency Coral Gables and Hyatt Regency Miami. In 1999 he joined Hyatt International as the General Manager of the Hyatt Regency Thessaloniki in Greece and later moved to India as the General Manager of the Grand Hyatt Mumbai.
In 2003 he joined Starwood Hotels and Resorts returning to Greece as the General Manager/Managing Director of the Hotel Grande Bretagne. In 2006 through 2012 he was given the additional responsibility of Area Manager for Greece, Turkey & Cyprus overseeing 18 Starwood affiliated hotels. From 2013 the area responsibility included the Balkans until Marriott International merged with Starwood when he took over the responsibility of Marriott Business Council for Greece and Cyprus while remaining the Complex Managing Director of the Hotel Grande Bretagne and King George until October 2020. Presently, he is the Senior Hospitality Advisor to the Laskaridis family and on the board of Directors for Lampsa Hellenic Hotels and Luckman Park Estate both part of the Laskaridis Family.
Tim is an active member of a number of civic and non-profit organizations including Vice Chairman of The American Community Schools (ACS) of Athens, Vice President of the Athens Hotel Association, board member of the Greek Health Tourism Organization and Board of Directors for American Hellenic Institute. His business philosophy of an ideal hotel is one that provides a comfortable, friendly and efficient environment for its guests and associates while maximizing financial results through constant innovation, intuitive service and proactive management. His personal guiding principal is “be kind and treat your associates the way you expect them to treat your guests and they will definitely reward you”.
Tim currently splits his time between Athens and Miami with his wife Jennifer. They have three grown children residing in Dallas, Miami and Athens.
Nicholas G. Karambelas has practiced law since 1980 in the State of New York, Washington DC and the State of Maryland through a law firm which he founded. He practiced in the areas of business entity organization, international law and business transactions, e-commerce, securities, and franchising. In 2021, he founded Hastings Analysis which advises US and non-US business persons on translating a business concept into an investment concept, advocates for international trade and investment and publishes books and articles on international business topics and international politics.
Mr. Karambelas holds a Bachelor of Arts (B.A.) from Union College, a Juris Doctor (J.D.) from Fordham University School of Law and a Master of International Affairs (M.I.A.) from Columbia University School of Public and International Affairs. He attended courses at the Athens University School of Law and the Fletcher School of Law and Diplomacy of Tufts University.
Mr. Karambelas participated in the drafting of the revised business organization laws of the District of Columbia. He was elected as Secretary of the D.C. Bar and served for 2004-2005. He served on the Publications Committee and was Co-Chair of the Continuing Legal Education (CLE) Committee of the District of Columbia Bar. He was a CLE lecturer and taught in numerous areas of law including company law, international business transactions and commercial law to other attorneys.
Mr. Karambelas is a member of the Board of Directors of the American Hellenic Institute and the American Hellenic Institute Foundation. He is Vice Chairperson of the Board of Trustees of the American Community Schools of Athens, Inc. (Greece) and an alumnus (Class of 1971). Mr. Karambelas was named Attorney of the Year for 2015 by the Hellenic Lawyers Association of New York City.
He has written numerous articles on business entity organization law, transactional law international law and international politics. He has authored a three-volume treatise entitled “Limited Liability Companies: Law, Practice and Forms” which has been published in its second edition by Thomson Reuters West Company (next.westlaw.com: database:llclpf).
Iraklis Prokopakis is the Senior Vice President, Treasurer, Chief Operating Officer and a member of the board of directors of Danaos Corporation. Mr. Prokopakis joined Danaos in 1998 and has over 40 years of experience in the shipping industry.
Prior to entering the shipping industry, Mr. Prokopakis was a captain in the Hellenic Navy. He holds a Bachelor of Science in Mechanical Engineering from Portsmouth University in the United Kingdom, a Master’s degree in Naval Architecture as well as a Risk Management one from the Massachusetts Institute of Technology in the United States and a post-graduate diploma in Business Studies from the London School of Economics. Mr. Prokopakis also has a Certificate in Companies Evaluation and in Operational Audit of Banks from the Management Centre Europe in Brussels and a Safety Risk Management Certificate from Det Norske Veritas. He is a member of the Board of the Hellenic Chamber of Shipping and the Owners' Committee of the Korean Register of Shipping.
Born in 1955 in Thessaloniki, Pascal holds a BSc degree in Chemistry, a BA in Economic Geography and a post graduate degree in Pharmaceutical Chemistry from the University of Manitoba in Canada, while he concluded his studies by receiving a MSc in Environmental Chemistry from the University of Stratchclyde in Glasgow. Moreover, graduated from Anatolia College high school in Thessaloniki.
His professional career began in September 1986 in the diagnostics department of Abbott in Thessaloniki and after a short period in Athens he worked for 7 years in the German affiliate and 4 years at the Abbott Park in Chicago.
In 2001 he returned to Greece as Managing Director of Abbott Laboratories Hellas and from January 2013 Pascal holds the position of the Managing Director of AbbVie, a new, independent, global biopharmaceutical company which retains in its portfolio innovative medicines for serious and chronic diseases, following Abbott’s separation in two individual companies.
From 2015 to 2018 he was President of the Hellenic Association of Pharmaceutical Companies (SfEE) in which he currently holds the position of General Secretary, while he is Member of the Board of Directors of the Pharma Innovation Forum (PIF), President of the Pharmaceutical Committee of Hellenic-American Chamber of Commerce (AmCham), member of the Board of Directors of Hellenic-American Chamber of Commerce (AmCham) and member of the Executive Board of Trustees of the American Community Schools of Athens (ACS).
- Bachelor’s of Science, Major Speech/Minor English - Northwestern University, Evanston, Illinois
- Mortarboard Chapter graduate with honors
- Seminars on Organizational Changes and Marketing Management
- MS in Management/Minor Financial Accounting and Marketing Management – LaVerne University / graduated with top honors
- Assistant Credit Manager
- Economics Surveys: effects of M1, M2 and M3 on developing economy
- Accountant: payroll, A/R
- Due diligence portfolio investments and management clients capital advisory for new clients (Alexandria Bancorp). Investment portfolios worldwide.
- Public Relations, Advertising and Sales:
- Business and finance magazine and consulting headhunter group
- Professor in Business Administration/Assistant Dean and Counselor:
- For both Bachelors and Masters Degrees at LaVerne University, Indianapolis University and taught case work studies for the OECD on behalf of the School of Business, University of Greece.
- Taught undergraduate and graduate studies at LaVerne and University of Indianapolis such as: Marketing Management, Financial Accounting, Business Communications, Organizational Behavior and Case Studies in Business Management.
- Financial Manager:
- For the Papellinas Group of companies in their joint ventures with Elf Sanofi, France.
- Matching Greek and American Accounting Standards to streamline financial data for joint venture and advising on strategies for improvement to both company and subsidiary’s directors.
- Co-owned “My Wedding SA” representative of Vera Wang and Monique L’Huillier Brands in Greece and Cyprus. Buyer for merchandise in New York, Los Angeles, and London, England. After three years had to leave due to new obligations in Toronto, Canada.
- On the Board of Directors of two companies in Toronto:
1. Phase 3 Properties Ltd, and
2. Minic Investments
- Real estate holdings in Canada, Caribbean and Europe. Investments in a public capital group in Toronto with portfolios in North America, Europe and Caribbean, Equity, Insurance, private wealth and corporate investments.
Steve Dubé is pleased to join the ACS School Board for the 2019-2020 academic school year. A diplomat posted with the U.S. Embassy, Steve has two sons, Henry and Oliver, enrolled at ACS. His wife Jennifer is also a diplomat at the U.S. Embassy and together they have enjoyed postings in Italy, Korea, and China.
Steve was born and raised in Miami, Florida, and prior to joining the Foreign Service he worked in the music business managing a small record label in Chicago. He is a graduate of Northwestern University.
Nick Gialamas is the Area President of HUB International, a global insurance brokerage firm headquartered in Chicago, IL. Before joining HUB, Gialamas served as Chief Executive Officer of Forest Financial Group, Inc., an employee benefits consulting firm he founded in 1998. During his tenure, Gialamas led the company through a period of transformation and sustainable growth. Forest Financial Group, Inc. was acquired by HUB International in December of 2015.
Nick is also the founder and current Chief Executive Officer of Forest Capital Management, LLC a Chicago based registered investment advisory firm (RIA) focused on retirement investment services for institutional clients. Forest Capital Management, LLC has been operating since 2014.
Nick earned his Bachelor of Science degree in Business and Marketing from Northern Illinois University (NIU). He is loyal to his alma mater and stays personally involved with the University, including guest speaking engagements at the College of Business. The NIU College of Business Department of Marketing has recognized Nick's contributions by presenting him with the Alumni of the Year Award.
Nick serves on the NIU Executive Club Board of Advisors, the NIU College of Business Board of Advisors, ACS Athens Board of Trustees, as well as the Board of Advisors for the Retirement Savings Foundation in Washington D.C..
Ada Gianneskis grew up between Toronto, Canada and Athens, Greece. She is married and a mother of two.
Ms. Gianneskis is a marketing and communications executive with 20 years of experience and is currently the Communications Director of House Market SA (IKEA franchise for Greece, Cyprus and Bulgaria), leading all commercial and corporate communications & marketing, interior design and Food business.
She has great marketing experience, having been both Advertising Manager and Marketing Manager of IKEA, and Brand Manager at Samsung and other electronic goods brands.
Ms. Gianneskis holds an MBA from Southern New Hampshire University, with specialization in sports marketing.
Additionally, she is a certified facilitator for Inter-IKEA (senior coach) and has facilitated a significant number of training workshops (for IKEA locally and internationally, but also the Fourlis Group, AUEB etc.). Teaching and facilitating is something she is very passionate about.
She is also a member of the Corporate Responsibility Committee of the American Hellenic Chamber of Commerce.
During off time, she loves sports, cooking and travelling.
Dr. Vasilis Gregoriou is the Director and Chairman of the Board at the National Hellenic Research Foundation (NHRF), (www.eie.gr) one of the largest Research Centers in Greece with 450 researchers and an annual budget of approximately 20 million Euros. He concurrently occupies the position of Director of Research (Full Professor) at NHRF. Dr. Gregoriou is an internationally known scientist with research and managerial positions in both Greece (NHRF, FORTH-ICEHT) and the US (Advent Technologies, Northeastern, MIT, Polaroid, Princeton) over his 30 year research career so far. He is the coauthor of 3 books, 6 chapters in books, 81 refereed research papers, 137 research presentations and the co-inventor of 12 patents. He has also cofounded in 2017 the Athens Comprehensive Cancer Center (ACCC) with the help of the Helmholtz Association, the largest scientific organisation in Germany, and the German Cancer Research Center (DKFZ) in Heidelberg, Germany.
As a technology entepreuneur, Dr. Gregoriou has cofounded Advent Technologies in 2006. Advent Technologies is a world leader in the development of advanced materials and devices for energy, defense, security and aerospace applications. Advent technologies is headquartered in Cambridge, Massachusetts, USA with manufacturing facilities in Patras, Greece and R&D alliances with Northeastern University, University of Patras, and FORTH-ICET.
Dr. Gregoriou academic teaching experience spans in both undergraduate level in the US (University of Massachusetts) as well as at the graduate level in both the USA (University of Connecticut) and Greece (University of Patras). He has also served as the President of the Society for Applied Spectroscopy (SAS) in 2001. He holds a PhD in Physical Chemistry from Duke University (1993), Durham, NC, USA and was a National Institutes of Health (NIH) Research fellow holding the prestigious NRSA award at Princeton University, Princeton, NJ, USA in 1994. He has also attended the MBA program at Northeastern University in Boston, MA, USA.
Dr. Gregoriou is the Greek National Representative in the Horizon 2020 Committees for the European Research Council (ERC), the Mari Sklodowska-Curie actions (MCSA) and the Future and Emerging Technologies (FET). The Horizon 2020 is the biggest EU Research and Innovation program ever with nearly €80 billion of funding available over 7 years (2014 to 2020).
He is married to Maria Maragoudakis-Gregoriou and their 15 year old triplets all attend ACS Athens.
Artie Gyftopoulos is a Financial Consultant. Previously, Mr. Gyftopoulos was a Senior Vice President and Executive Officer of the Office of the President of Atlantic Bank, a division of New York Community Bank (NYCB). Atlantic Bank, until 2007, was a subsidiary of the National Bank of Greece.
Mr. Gyftopoulos has over 30 years of experience in the commercial banking industry. He has a Bachelor of Science degree in Business Administration from Boston University having concentrated in International Management.
CAPT Ketter serves in the U.S. Navy and works at the U.S. Embassy in Athens. Tim grew up in the State of Nebraska and graduated from Scotus Central Catholic High School in 1989. He is a qualified Naval Flight Officer and spent 15 years flying Navy aircraft around the globe, and for the last 11 years has served in Belgium, the Republic of Korea, the Russian Federation, and now in Greece. Tim has over 26 years of experience of leading complex organizations, providing mentoring and leadership training to junior officers and enlisted sailors, and working as a military diplomat. In 1993, CAPT Ketter graduated from Boston University with a B.A. in International Relations and Russian History. Tim has earned a M.A. in National Security and Strategic Studies from U.S. Naval War College in 2003, and completed an M.B.A. degree at San Diego State University in 2005. He is married to Elisa Ketter for the last 18 years, and they have a daughter who is in 9th grade at the ACS Academy.
Efthymios (Timos/Tim) Mikropoulos is a practicing Neurologist in Athens, Greece. He is a Neurology Consultant at HYGEIA & MITERA Hospitals and also practices Neurology daily in his private office in downtown Athens.
He completed his formal training in Neurology in 1999, having served as Fellow, Chief Resident, Intern, Clerk in several hospitals of various institutions in the USA and Canada (Albert Einstein College of Medicine, Harvard, Johns Hopkins, McGill, NIH, and U Penn). In 2000 he became Diplomate of the American Board of Psychiatry and Neurology and in 2011 he received his Doctorate Degree (High Honors) by the University of Thessaly School of Medicine, Greece. His medical school training took place at the Medical University of Pécs - English Program, in Pécs, Hungary, where he received his M.D. Degree Summa Cum Laude.
His clinical interests span across most subspecialties of Neurology (Multiple Sclerosis, Headache, Stroke, Trauma & Rehabilitation, Parkinson’s Disease, Neuromuscular Disorders and EMG, Epilepsy and EEG, Dementia, Pain). He is interested in the neuropsychiatric manifestations of systemic diseases and, particularly, in the rational integration of Complementary and Alternative Medicine (CAM) in Clinical Neurology (Metabolomic Medicine, Dietary Supplements, Microbiome and Nervous System Disease, Acupuncture, Electromagnetic Therapy, Mind-Body Medicine, Neuroplasticity Cognitive training).
His high school education was completed at the HAEF (Athens College) in 1988. He has been Finalist and First Among Equals in multiple Forensics Tournaments. During the summers of his high school years, he attended, in addition to athletic camps, Summer Programs at Wellesley College, Phillips Academy at Andover and Harvard University. His elementary school training started at Moraitis School.
Based on his Neuropsychiatric interest in the bridging between the actual or perceived entity of the psyche and somatic manifestation in clinical practice, he has researched esoteric areas of Existence as to the Self, the Being, the Whole, and the Universe. He has edited eight books.
He enjoys book reading, book editing and writing, bicycling, swimming, fitness training, and traveling. He lives with his wife and son in Glyfada.
Global CIO, IPG Mediabrands
Demetri Paneras was Webmaster of the MIT Media Lab before managing the Internet presence of the Athens 2004 Olympic Games. In 2005, Demetri joined Velti, the Mobile Marketing firm and first company out of Greece to list on the London AIM market (2006) and NASDAQ (2011). As CIO as well as SVP of the Performance Marketing business unit, Demetri managed up to 300 Velti staff while delivering profitability and cost control as the company grew from 60 to 1500 employees in 30 offices around the world. From 2007 to 2009 Demetri took time away from Velti as CTO for the relaunch of the Eleftheros Tipos media group by the Angelopoulos family. Following the 2014 acquisition of Velti’s global assets by GSO (a division of Blackstone) he managed mGage LLC, holding roles as CIO, SVP of Advertising Technology and GM for mGage Athens. In 2018 Demetri was an in-house contractor for SpaceX in Los Angeles, California. He currently lives in New York where he is the Global CIO for the Interpublic Group’s (NYSE:IPG) IPG Mediabrands.
Born in Arlington Heights, Illinois, Demetri attended Pinewood and later Anatolia High School in Thessaloniki. He graduated from Ithaca High School in Ithaca, New York. He holds a B.Sc. in Electrical Engineering from Clarkson University and completed an M.Sc. (as well as ABD Ph.D. work) at Boston University in 1997. Demetri's three children are also members of the ACS family.
Michele Siders serves as the Political Counselor at the U.S. Embassy in Athens. She has three sons enrolled at ACS – two in elementary school and one in high school.
Prior to arriving in Greece, Michele served as Acting Deputy Chief of Mission and Director of the Office of Resource Management at the U.S. Mission to the Organization for Security and Cooperation in Europe (USOSCE) in Vienna, and as Political-Economic Counselor at the U.S. Embassy in Skopje. She was also posted to the U.S. Mission to NATO in Brussels and at the U.S. Embassies in Warsaw and Seoul. She has held multiple positions at the U.S. Department of State in Washington, DC.
Michele graduated from Boston University with a Bachelor of Arts in Political Science and International Relations in 1991. She earned a Master of Science in Foreign Service from Georgetown University in 1995 and a Master of Arts in Strategic Security Studies from the National Defense University in 2015. Prior to joining the Foreign Service in 1996, Michele worked in the law offices of Mayer, Brown, and Platt. Michele was born in Honolulu, HI and grew up in San Francisco, CA. Her husband, Jason, works for the U.S. Department of Justice.
Constantine Stergides is a journalist by trade, but now manages his own company which specializes in "wine communications" (i.e. wine-related event management and publications).
Mr. Stergides has three daughters, two of whom are ACS graduates and are now students in the US (University of Washington and Bard College). His wife, Nathalie, is an architect, a contemporary dance instructor and, currently, a somatic-psychoeducation therapist.
Mr. Stergides' educational background includes: B.A. University of Washington, Political Science; M.A. University of Paris XII, Urban Planning; D.E.A. (Pre-doctorate) University of Paris XII, Urban Transportation; M.A. University of Paris Sorbonne, Journalism (Foreign Correspondence).
Effie Tsiotsiou is the Executive Director and Director of Education of the Onassis Foundation. She is responsible for the supervision of all operations of the Foundation’s Athens office, as well as for the planning, management and evaluation of its permanent programs, special initiatives as well as short-term projects that revolve around the pillar of Education worldwide: Grants to non-profit organizations and projects of special interest; Scholarships’ programs; Partnerships with foreign and Greek academic institutions; Educational Programs; the Onassis Library; Special Education; the Cavafy Archive, the Alumni Association of the Onassis Foundation as well as any other ad hoc project or collaboration relevant to educational issues. She serves as the lead spokesperson and public face of the Onassis Foundation’s Pillar of Education representing the organization’s mission and purpose while engaging with colleagues and decision-makers in this field.
As Executive Director, she has supervised the introduction and full implementation of the ERP SAP system to the Onassis Foundation, including the system’s customization and internal business processes and operations. She is also responsible for the consolidation and revision of budgets for the Onassis Public Benefit Foundation's business units, reporting directly to the President and the Board of Directors.
She is also acting member of the Board of Directors of the Onassis Cardiac Surgery Center in Athens and a key member of the Strategic, Scientific and Project Management Committees formed for the strategic planning, the scientific evaluation and procurement needs of the Onassis National Transplant Center currently under establishment.
Furthermore, she is Vice-President and Treasurer of ARIONA HELLAS SA, the company representing the Onassis Foundation in Greece (since 2006).
She has studied French Language and Literature and later specialized in Cultural Management and Human Resources Management; she speaks Greek (native speaker), English, French and German and has been with the Foundation since 1994, having held various positions over the years.
Mark Wolper - President and Executive Producer. THE WOLPER ORGANIZATION, under the leadership of Mark Wolper, has been responsible for over 500 films, which have won more than 150 awards, including two Oscars, 50 Emmys, seven Golden Globes, five Peabody's, and recognition and retrospectives from Cannes and other respected international film festivals.
Veteran filmmaker Mark Wolper has been producing for film and television for more than 30 years. As president of the Wolper Organization, he has been involved in many high-profile projects, including the Academy Award-winning crime drama "L.A. Confidential," starring Russell Crowe, Kevin Spacey and Kim Basinger; the multiple Emmy-nominated miniseries "The Mists of Avalon," starring Anjelica Huston, Julianna Margulies and Joan Allen; "The Thorn Birds," starring Richard Chamberlain and the Emmy-nominated and NAACP-winning miniseries "Queen," starring Halle Berry.
Wolper's extensive producing credits also include "Helter Skelter," "Salem’s Lot," "Murder in Mississippi" and the Emmy nominated special "Penn & Teller: Bullshit!"
Mark has most recently completed 100 episodes of "Bait Car" for TruTV and is currently in production on the 3rd season of A&E’s hit show "Bates Motel."
He began his career in 1981 as an independent producer, working with such studios as Warner Bros., Showtime, MGM and Disney on projects ranging from short films and documentaries to miniseries and foreign feature films.
In 1987, he joined his father, David Wolper - a well-known filmmaker who founded the company in 1958 - in leading The Wolper Organization.