Global Alumni Advisory Board

ACG GLOBAL ALUMNI ADVISORY BOARD

The mission of the ACG Global Alumni Advisory Board (GAAB) is to enhance Alumni engagement and support the strategic goals of the school.

The ACG Global Alumni Advisory Board (GAAB) promotes the engagement of selected Alumni to support ACG initiatives and provide networking opportunities that further advance the School’s programs, Alumni and community.

Alexandros Aldous

Alexandros Aldous, Co-Chair

Alex, a Pierce alum, joined the GAAB in 2017 and is a member of the Executive Committee and serves as Co-Chair. Alex is currently General Counsel, Corporate Secretary & Chief Government Relations Officer at the Chef’s Warehouse. Alex is also an adjunct Professor of Law at the Washington College of Law, American University. His prior work experience includes working as an attorney with Barclays Capital, the investment banking division of Barclays Bank PLC, in London, where he focused primarily on mergers and acquisitions and capital markets, and prior to that, working as an attorney with Shearman & Sterling LLP, in New York, where he focused primarily on mergers and acquisitions. Alex is a member of both the Government Relations Leadership Committee and General Counsel Committee of the International Foodservice Distributors Association, as well as a member of the Dean’s Council of American University’s School of International Service. He earned a B.A. in Classics and Government from Colby College, a Juris Doctor and M.A. from American University and an LL.M. from the London School of Economics and Political Science and is licensed to practice law in the State of New York, District of Columbia, and England and Wales.

Nikolaos Artavanis

Nikolaos Artavanis

Nikos is a Pierce alum and joined the GAAB in 2017. He received his Ph.D. in Finance from Virginia Tech in 2013. Currently, he is Visiting Assistant Professor of Finance at Virginia Tech and a faculty member of the Isenberg School of Management and Commonwealth Honors College. His areas of expertise lie in the fields of asset pricing and financial economics. He is the recipient of the Wharton-WRDS Best Empirical Finance Paper award (WFA 2013) and has received many awards, grants and honors for his research and teaching activity.

Hiro Athanasiou

Hiro Athanasiou, Co-Chair

Hiro, a Pierce and Deree alum, joined the GAAB in 2017 and is a member of the Executive Committee and serves as Co-Chair. Hiro is a Non-Executive Director sitting on the Board of HCAP and serves as the Chair of the Candidates Committee, and as a member of the Corporate Governance and Audit Committee.

She holds a BA from The American College of Greece/Deree College in Business Administration, and an MSc in Economics from London School of Economics. She worked for more than 30 years for Unilever in different marketing, sales, and export roles, inside and outside of Greece. She was Executive Vice President and a member of the Global Executive Board for Unilever FOODSOLUTIONS, responsible for South America, South and Eastern Europe, Turkey, Russia, and Israel. From 2014 to 2018 she was the Executive Vice President for Greece and Cyprus and a member of the European Leadership team.

She holds positions as Non-Executive Director at Pireaus bank, and the International Cement Company TITAN. She was a member of the Board of SEV (Association of Greek Industries), the Greek – Dutch Association, IOVE, SEET and EEDE. She was a mentor in women start-ups for the Orange Grove of the Dutch Embassy, as well as for the WOMEN ON TOP organization.

Tessie Catsambas

Tessie Catsambas

Tessie, a Pierce alum, joined the GAAB in 2017 and is the founder and CEO/CFO of EnCompass LLC, a 20-year organization of more than 130 staff that provides services internationally in evaluation, learning and leadership development. Tessie was President of the American Evaluation Association in 2019, and recipient of the EvalPartners Award 2015 for her international advocacy on the use of evaluation in public policy and programs. She has managed numerous evaluations and led courses in a range of topics including for The Evaluators’ Institute, the American Evaluation Association and The EnCompass Learning Center. An advocate for new and emerging evaluators, she frequently speaks on how evaluation helps organizations live values strategically and effectively. Tessie has written extensively on evaluation including ethics in evaluation, evaluation competencies, and gender-transformative evaluation, and has also co-authored a book entitled, Reframing Evaluation Through Appreciative Inquiry on incorporating the systematic study of success in evaluation. She was a founding member of PAMEMMAZI, a non-profit organization inspired by Pierce and Deree student Emmanuella Vernikou who passed away from cancer in 2016. PAMEMMAZI brings psychosocial support to cancer patients and their families in hospitals and, in collaboration with The American College of Greece, has organized an annual forum to discuss research and practices for embedding empathy in care, holistic care, and the importance of cross-discipline collaboration in cancer. Tessie holds a Master’s degree in Public Policy from Harvard University and is fluent in Greek, English and French, and speaks Spanish.

Antony Contomichalos

Antony Contomichalos

Antony, a Deree alum, joined the GAAB in 2017 and is the founder and President of MacArthur Capital Group, a company established in 1998, now one of the largest owners of retail condominiums in New York City. With a close group of investors, Antony started MacArthur Capital when he identified and acquired several portfolios of under-performing cyclical assets and income-producing properties in the greater New York metropolitan area. Since its inception, MacArthur has grown into a private full-fledged long-term investment company. Antony is directly responsible for defining and implementing the company’s strategy, identifying investment opportunities, managing its financial assets, and overseeing the management of its real estate portfolio. Prior to founding MacArthur, Antony worked for 14 years with Credit Agricole, one of the major international banking groups. Antony holds a BS in Finance from The American College of Greece (Deree College) and a Master’s in Finance – Applied Economics from the University of Paris IX- Dauphine (France).

Lefteris Dafermos

Lefteris Dafermos

Lefteris, a Deree alum, joined the GAAB in 2020 and currently works at Mibank LLP as an Associate in Global Markets. Before joining Milbank he served as a research assistant at Harvard Law School, and completed internships at Chef’s Wearhouse, Egon Zender and Shearman & Sterling LLP. Lefteris has served as a Smile of the Child Volunteer Delegate at the United Nations since 2013. Lefteris holds a Bachelor of Laws from the Ethnikon kai Kapodistriakon Panepistimmion Athinon, a minor in Finance from The American College of Greece, and a Master of Laws from Harvard Law School.

Dean Dimizas

Dean Dimizas

Dean, a Deree alum, joined the GAAB in 2017 and is currently a member of the Executive Committee. He is a Partner and Chief Investment Officer at Cambridge Associates and joined the firm in 2004. He manages portfolios for endowments, foundations, and family offices globally. Dean and his team allocate a meaningful part of their time on manager research, sourcing and evaluating new investment opportunities across asset classes and geographies. Before joining Cambridge Associates, Dean worked as an investment banking associate with Goldman Sachs in London and EFG Telesis Finance, a leading investment bank in Greece. In this role, he advised large corporate clients on a wide range of corporate finance transactions. Dean resides in Boston with his wife and two kids. He enjoys biking, skiing, hiking, and being in the outdoors with his family. EDUCATION:  CFA Charter holder; MBA, Harvard Business School; BSc., Business Administration, The American College of Greece (Deree College)

Lela Dritsa

Lela Dritsa

Lela, a Deree alum, joined the GAAB in 2020 and is the Co-Owner and founder of Nannuka LTD. Lela visualized Nannuka in 2013 and today, Nannuka.com is the largest online care destination in Greece and is currently available in Italy and the UK with a substantial market presence. Lela’s inspiration to found Nannuka came from her own life experiences. A mother sandwiched at an early age between care for two small children and workload, Lela was challenged to find care and knew technology was the answer. Along with Natalie Levi, Nannuka soon came to life and thousands of parents received their helping hand. For her advocacy and work at Nannuka, Lela has been included as one of the 100 women entrepreneurs in Europe at Forbes and one of the “40 under 40” successful entrepreneurs at Fortune’s magazine and has also been interviewed by several respected media across Europe. Lela graduated from The American College of Greece and has also received her MA from City University London.

Christina Economou-Mahjouri

Christina Economou-Mahjouri

Christina, an alum of Pierce and Deree, joined the GAAB in 2017. She is a versatile, execution-oriented MBA graduate in Marketing and International Business with 15+ years of experience across global corporations, startups, and nonprofits, and work history involving 20 countries. Christina is skilled in managing and executing domestic and global transformation projects, full lifecycle project management and integrating business solutions based on global process owners’ requirements and IFRS policies. She is a big picture and strategic thinker, creative problem solver, networker, and dedicated mentor and coach and acts as a social entrepreneur and leader of mission-driven organizations.

Dimitris Floros

Dimitris Floros

Dimitris, a Deree alum, joined the GAAB in 2020. Currently, Dimitris is the global Head of Leisure Channels for Qatar Airways, based in Doha. He is a seasoned sales and marketing professional with more than 10 years of international experience across three continents. Dimitris studied Marketing at The American College of Greece and started his career in marketing consulting for large multinational customers in Athens and New York,  consequently, he moved to Dubai where he held e-commerce and various Commercial roles with Emirates Airlines. Prior to his current role, Dimitris was leading Travelport’s Air Commerce business in the Middle East. He has expertise in travel technology solutions, commercial deal modeling, complex negotiations, and e-Commerce. He also holds an Executive MBA from INSEAD. Dimitris is married to Dr. Argiro Kechagia. Outside work, he spends time with his wife and daughters, supports new ventures either as an investor or advisor, and enjoys swimming, cycling, and running – preferably in that order.

Thanos Geramanis

Thanos Geramanis

Thanos, a Pierce and Alba alum, joined the GAAB in 2019 and is presently Partner and COO at Blueground where he is responsible for the centralized global operations. He is a top-performing executive and strategic leader with more than 15-year record of achievement developing market share and profitability in ever-changing, dynamic environments and strong expertise in building new businesses from scratch. A solid history of success in overseeing sales of products and services to financial institutions, mobile operators, merchants, and payment service providers. Innovative professional with acute business acumen, successfully managing complex P&L while ensuring a customer-focused ethos and cost-effective, efficient processes.

Nikos Giannousas

Nikos Giannousas

Nikos, an Alba alum, joined the GAAB in 2020 and presently serves as President and Managing Director at Volvo Cars Greece. He previously served as General Manager at AG Leventis PLC from 2013 to 2018 and as General Manager at Petro Petropoulos AEBE from 2003 to 2012 and worked at Toyota from 1997 to 2003 as Area Manager and subsequently Business Management Manager. Nikos earned his BSc in Economics & Business from the Athens University of Economics & Business and an MBA from the Alba Graduate Business School.

George Kapaniris

George Kapaniris

George, a Deree alum, joined the GAAB in 2019 and is the Executive Director at NSS – an international Value-Added Distributor of leading-edge IT solutions, covering technology areas including information security, networking, unified communications, data storage, virtualization, and infrastructure systems. He presently serves on the Boards of Netsquare and Tyremarket.  He graduated from The American College of Greece with a BSc in Marketing Management and earned his MBA from the University of La Verne.

Ageliki Key

Ageliki Key

Ageliki, a Deree alum, joined the GAAB in 2020 and is a Program Manager for a Tech Company based out of Miami, Florida. She has over five years of experience working for international companies. She is inspired daily by her desire to create diverse and inclusive environments and provide opportunities for underrepresented communities in the Tech World. Ageliki specializes in Operations, Business Development, and Program Management. She is also certified in Full-Stack Web Development and is currently pursuing her certification in UX/UI Design. In her free time, Ageliki enjoys yoga, traveling, trying new food, and drawing. Ageliki graduated from The American College of Greece in June 2015 with a Bachelor of Arts in Economics (hons).

Makis Kosmatos

Makis Kosmatos

Makis, a Deree alum, joined the GAAB in 2017 and currently serves as the Area VP for AMET (Africa, Middle East, Turkey) at Johnson & Johnson Consumer Health. In this role, he is focused on delivering business growth by meeting the needs of consumers across this diverse region. Makis has worked with Johnson & Johnson for 25 years. He has served in several leadership positions including Managing Director, South-East Europe Cluster and the Balkans, and Area VP, South Africa & Sub-Sahara Africa. As a member of the Diversity & Inclusion Advisory Board, Makis is keen to focus on how Johnson & Johnson improves the recruitment, retention, and advancement of diverse talent throughout the organization. Makis believes that bringing people from all backgrounds and beliefs together will deliver a broader perspective and more innovative thinking – ultimately helping Johnson & Johnson to achieve stronger business results. Makis holds a degree in Business Administration & Economics from The American College of Greece, as well as an MBA from Campbell University, North Carolina, USA.

As a father of two teenagers, Makis spends his leisure time doing sporting activities such as bike riding, quad bike racing, going to the beach and sailing. He likes to travel and enjoys returning home to Greece for his summer vacation and spending time with family and friends.

Marios Mitromaras

Marios Mitromaras

Marios, a Deree and Alba alum, joined the GAAB in 2017 and is the Chief Executive Officer at INTRALOT GAMING SERVICES & INTRALOT AUSTRALIA. Under his dual role as Chief Executive Officer for INTRALOT in Australia and as Vice President for Business Development in AsPa, Marios is leading INTRALOT’s commercial and business development activities in the exciting markets of Oceania & Asia, where challenging and attractive opportunities arise from National Sports Welfare Lotteries and large scale gaming operations. His experience has contributed significantly to the expansion of INTRALOT in Asia, where the company is running various projects and having a presence since 2005 in the Philippines, Malaysia, Taiwan, South Korea, and in the People’s Republic of China. INTRALOT Group has also a strong presence in Oceania, where there are existing operations and projects in Victoria, West Australia, and New Zealand. Prior to joining INTRALOT, Marios held senior management positions in consumer electronics, logistics & transportation, defense, and aviation industries, and during his 30 years of professional life, has achieved series of business projects over EMEA, Asian and Latin American countries. Marios holds a P-MBA from ALBA and a Bachelor’s Degree in Management & Organizational Behavior from ACG (The American College of Greece). Marios is married, a father of three and has served his military duty in the Special Forces of the Hellenic Army.

Lyda Modiano

Lyda Modiano

Lyda, a Pierce alum, joined the GAAB in 2020 and is and is currently a member of the Executive Committee. She is Founder & Director at Wide Strategy ltd, a London-based boutique consultancy firm specializing in strategic communications services. She also holds non-executive director roles in non-profit organizations and acts as a mentor, connector, and advisor to young entrepreneurs. Having served organizations such as Philip Morris International, Eurobank Ergasias S.A. and the Government of the Hellenic Republic as chief communications officer, Lyda has led multiple communications projects related to M&As, corporate integration, stakeholder engagement, employee loyalty, sustainability, CSR, media relations and brand development. She is a graduate of the London School of Economics and Political Science with a Master of Science degree in European Studies. She has also completed an Executive Leadership Program at INSEAD and a Sustainability Management Program at the University of Cambridge Institute of Sustainable Leadership (CISL).

Nicos Stergiou

Nicos Stergiou

Nicos, a Deree alum, joined the GAAB in 2020. Nicos graduated summa cum laude from Deree – The American College of Greece in 2019, with a degree in Finance. While at Deree, he was a student of the International Honors Program (IHP), with a 100% merit scholarship, and attended a summer program at Stanford where he took classes in entrepreneurship, venture capital markets, and decision making.

Nicos launched and led the Investment Club and served as a member of the Governing Body of the International Honors Program society.  He worked at the Deree Student Academic Support Services (SASS) department, helping fellow students improve their academic performance in the fields of mathematics. During the last two years of his studies, Nicos also worked as a student assistant at the ACG Office of Public Affairs, where he supported numerous events hosting high-level academics, politicians, and diplomats. Shortly before graduation, Nicos joined Bluehouse Capital, a private equity real estate investment firm focused in Central and Southeastern Europe, where he is currently working in the Investor Relations and Portfolio Management department and is a member of ULI Greece. His interests include volunteerism, capital markets, entrepreneurship, and global politics.

Nikolas Theodorou

Nikolas, a Pierce alum, joined the GAAB in 2020 and is a Business Strategist & Trainer and C.E.O. of EQnomics (Bespoke Business Leadership, Agility, and Resilience). Nikolas graduated from The American College of Greece – Pierce College, completed his undergraduate studies with honors B.Sc. (Hons) in Business Economics from the University of London – Queen Mary & Westfield College, and further obtained an M.Sc. in International Finance from the University of Surrey. Having begun his career in several senior regional posts within Royal Dutch Shell, he has collectively managed regions covering the Americas, Asia, and much in between, while his posts held executive positions in Energy (Fossil & Renewable), Technology, Shipping, and Investment Funds. His proven track-record is showcased with the managing and developing of balanced executives and teams while operating high-value projects and affairs within multinational organizations and environments and functions including, General Directorship & Strategy, Operations & Finance, Sales & Marketing, Supply Chain, Change Management, HR, Fund Management, Project Management, Public & Private sector Collaborations (PPCs) and Mergers & Acquisitions. He is a member of the International Propeller Club of the United States – Port of Piraeus, and a member of the Advisory Board Trainer at Bluegrowth Incubator. Nikolas’ combination of knowledge and skills acquired after more than 20 years in the professional arena is what enables him to manage, advise, and train organizations, teams, and individuals on how to bring the best results they can. Nikolas has two daughters he loves spending time with, and he currently lives in Athens, Greece. He is a native English and Greek speaker, business savvy in Spanish, and collaborates with organizations and individuals on a global level.

Nikos Tsafos

Nikos Tsafos

Nikos, a Pierce alum, joined the GAAB in 2017 and is deputy director and senior fellow with the Energy Security and Climate Change Program at the Center for Strategic and International Studies (CSIS). In that role, he conducts and oversees research on natural gas, the geopolitics of energy, sustainable cities, and the energy transition more broadly. Nikos has testified before Congress, and his views are often found in leading media outlets like the New York Times, the Financial Times, Bloomberg, and elsewhere. He has written for Foreign Affairs, Foreign Policy, the National Interest, and others, and he is the author of Beyond Debt: The Greek Crisis in Context, which came out in 2013.  Before CSIS, Nikos worked as a consultant. In that capacity, he advised companies and governments in over 30 countries on some of the world’s most complex energy projects, first with PFC Energy, now part of IHS Markit, and later as a commercial advisor to the Alaska State Legislature on the Alaska liquefied natural gas project. From 2016 to 2019, he also taught a popular course on natural gas at the Johns Hopkins School of Advanced International Studies (SAIS). He holds a B.A. in international relations and economics, with a minor in statistics, from Boston University, and an M.A. in International Relations from Johns Hopkins SAIS.