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We are an independent boutique advisory firm, founded in 2013, with focus on mergers and acquisitions in the middle market in Europe. We are based in Athens with an affiliate office in London and presence in Zurich, Dubai, New York and Los Angeles through our global network of senior advisors. We guide companies and their shareholders to accelerate growth by attracting capital and completing cross-border strategic partnerships and acquisitions.

Our Approach

Leveraging our diverse background, years of M&A and operational expertise, young talent and vast network of SMEs, GPs, and advisory firms, we are uniquely positioned to effectively execute transactions throughout EU.

We believe that our people are our most important asset

Managing Partner

Spyros Martsekis

Spyros Martsekis is the founder and the Managing Partner of Ionian Capital. He is also a senior advisor to Pelican Point International Group in California. Before founding Ionian Capital he was a Managing Director at Alvarez & Marsal and a founding member of the European Shipping Advisory Practice. Prior to that he held senior managerial roles at KPMG and HSBC in London. He also worked at Morgan Stanley for 6 years.
He holds a bachelor from the Athens University of Economics & Finance and holds an MBA from Columbia University on an Onassis Foundation scholarship.
Senior Analyst

Nasos Chatziliadis

Nasos has studied at the University of Macedonia in the Accounting and Finance Department. He joined Ionian Capital in 2021 and he has broad experience in financial analysis covering various sectors such as Telecom, entertainment, banking and automotive. Nasos is a Certified Financial Modelling and Valuation Analyst by Corporate Finance Institute (CFI).
Office Manager

Anna Apostolidou

Anna has a broad experience as an administrative support specialist in major corporations as well as in NGOs.
She holds a degree in sociology from the University of Crete and she currently attends the International MBA at Guilielmo Marconi University.
Head of Financial Analysis & Valuation

Nicholas Georgiadis, PhD

Nicholas is a certified financial analyst with over 30 years of experience in financial analysis and valuation of companies across the European, North American and Asian markets. He is the co-founder of VRS (Valuation & Research Specialists) dealing with equity research, business valuation and corporate credit rating.

Nicholas holds a Bachelor’s degree from Athens University of Economics & Business, graduate and postgraduate degrees from Harvard University and ICMA Center, Reading University, and a PhD on corporate valuation from University of Macedonia (with excellence).

Junior Analyst

Yannis Kazanas

Υannis has studied Finance at the American College of Greece and joined Ionian Capital in 2024. As a Junior Analyst he brings broad experience in financial analysis across multiple sectors, including technology, healthcare, energy, and real estate.
Senior Analyst

Leonidas Yfantis

Leonidas has a broad experience in financial analysis and strategy development, specifically in banking and energy sector. Prior joining Ionian Capital, he was a Senior officer in Piraeus Bank (Corporate & Investment Banking) and a Financial Services Consultant in PwC Greece. Leonidas holds a master’s degree in accounting and finance from London School of Economics (LSE) and a bachelor’s degree in the same filed from Athens University of Economics and Business. Currently he studies towards becoming an ICAEW Chartered Accountant.
Business Development

Sofia Filippopoulou

Sofia has a broad experience as an operations manager in various industries with major corporations in Greece. She holds an EMBA from the National & Kapodistrian University of Athens (EKPA) and a bachelor’s degree in Sociology from Panteion University. She also holds a diploma in Journalism and a certification as Executive Assistant.

Senior Advisors

Senior Advisor

Mark Florman

In 1992 Mark created Maizels Westerberg & Co., one of the first independent merchant banks. He went on to specialise in the restructuring of failing companies. Mark has advised a wide variety of governments and industries. He is also an entrepreneur, having founded businesses in technology, media, transportation, publishing, private equity, banking and leisure, as well as think tanks, school building and international development programmes, charities and political campaigns. He has been active in politics for 15 years.
In 2004 he created Build a School, developing a new approach to rural community development in Africa’s poorest communities and is active on a number of African-related initiatives. He co-founded the Centre for Social Justice, the UK think tank with a focus on poverty and welfare. The CSJ published Breakthrough Britain, proposing reforms to welfare, social care, education, criminal justice and the third sector; new areas of work include slavery and gang culture. In 2009 he founded 8 Miles with Bob Geldof. In 2011 he founded the Mayor’s charity the Legacy List, to drive community development in Stratford following the Olympics. Mark believes that trust and a wider duty is essential in business, and with government and civil society, business should work more to help improve the lives of communities. He defined the term “ERR”, to measure the external impact business has on society.
He has recently helped launch the Million Jobs campaign in the UK. In his capacity as CEO of the BVCA he has been providing economic, industrial and financial policy advice to governments and regulators. In 2012 he co-founded the DNA Summit, to bring together the world’s most creative and innovative people with a view to working on solutions for the world’s poorest communities. Principle positions include: Chairman, CSJ; Strategic Adviser and Industry Ambassador, BVCA; Chairman, Spayne Lindsay LLP; Special Adviser, 8 Miles; Patron, Build Africa; Chairman, The Legacy List; Expert Committee Africa Enterprise Challenge Fund.
Senior Advisor

Jon Hall

Jon is a seasoned 25year C level executive, having driven sales, growth and EBITDA for FTSE and Fortune companies in the US, Europe and Middle East. As a multiple Blackstone portfolio executive, Jon is highly experienced in private equity acquisitions, IPO’s, exits and trade sales globally. His key strengths are creating new business at the very top, with a deep Rolodex of C suites, UHNIs, and Royal families around the world. Jon has deep background in sports, media, advertising, technology and private equity and has sat on multiple boards. He also advises major companies around restructuring, as well as turning around businesses in operating executive roles. Jon is global leader and consistently performed, including literally, as a trombone player in the London Symphony Orchestra in his early career. A graduate of City University London, Jon currently lives in both Dubai and London.
Senior Advisor

Roland Kumin

The Swiss press called Roland Kümin a startup entrepreneur and Bilanz, the Swiss business magazine, named him one of the most important business leaders "Digital Shapers" in 2016, who influence and drive the digital change in Switzerland. Roland has many years of solid experience in building and managing organizations and software companies. The focus has always been on implementing sales tasks in a target and result-oriented manner. He did this in the sales management of internationally active companies such as Parametric Technology or SAS Institute as well as in his own founded companies such as Monzoon Networks and Actano. Today, his passion is for the new digital world and the technologies that are changing the business world, especially the technologies that help small and medium sized businesses compete more effectively in a global environment. Roland lives and works in Switzerland, Silicon Valley and Vietnam supporting young tech companies in their international expansion. He holds a degree in Technology Management from the Zurich University of Applied Sciences.
Senior Advisor

Demetrios Boutris

Demetrios Boutris has served in senior State and Federal Government positions, including Commissioner & CEO of the California Department of Corporations, Legal Affairs Secretary & Counsel to Governor of California, Interim President & COO of a NY Public Benefit Corporation, and U.S. Trade Official in the White House. Demetrios Boutris, an M&A lawyer by training, has served on and advised numerous corporate and public service boards, including Wedbush Securities as chairman of its corporate governance and nominating committee, Virgin Charter (a Richard Branson company) as chairman of its compensation committee, and the California Alumni Association.

Demetri Boutris has also been a Vice President of several operating companies of MacAndrews & Forbes Holding Company (controlled by Ronald Perelman). He is a graduate of the University of California, Berkeley (Economics; honors, Phi Beta Kappa) and the Harvard Law School, and is a member of the California, Washington, DC, and US Supreme Court bars.

Senior Advisor

Leonidas Mangriotis

Leonidas Mangriotis focuses on Real Estate and Hotel opportunities globally for the last ten years. Leonidas is a serial entrepreneur as he founded and ran several companies in Greece in the retail, consumer and health care sectors. He also has experience in commercial trading as he co-founded and manages Equilibrium LTD, a pharmaceuticals advisory firm that handles global transactions. He holds a BA in Economics from Boston University.
Senior Advisor

Ike Suri

Ike Suri is currently the Co-CEO and Co-Founder of Pelican Point Capital Partners LLC, a Merchant Bank in Newport Beach, California. Prior to Pelican Point Capital, Ike has served as a CEO, Chairman, board member and adviser to private and public companies and continues to advise companies as an adviser, principal & owner/operator. Ike is a "serial entrepreneur" and founding charter member of The IndUS Entrepreneurs (TiE- South Coast). He served as a board member of Trilennia Group, a mid-market merchant banking firm and a member of the Turnaround Management Association (TMA). Ike is a Co-Founder and was Co-President and CFO for Options Group, a leading Wall Street-based executive search and consulting firm with offices in 11 countries. Ike served as CEO and Chairman of Paradise Multimedia, Inc., a spin-off acquired from Phillips Corp. of NA. He also served as Chairman and CEO of Pacific Rim Entertainment Inc., a prime-time animation production company of which he sold select assets to Disney.
Ike originated structured and integrated acquisitions in 6 technology consolidation/roll-ups in the networking spectrum and related industries. From networking technologies in Ethernet, Token Ring, switches, routers, fiber optic codecs (applications) and wireless synthesizers, his team acquired these companies from companies such as Raytheon, Rockwell Network Systems, Westinghouse, Meret Optical, Sciteq, Relialogic and Phillips.He was part of a leadership team for acquisitions that helped build Sorrento Networks. Sorrento Networks reached a market capitalization of approximately $1.6b as a listed Nasdaq company.
Ike was instrumental in helping the company acquire 8 companies in the roll-up strategy and further spun off 2 subsidiaries as separately listed public companies called Entrada Networks & DPI. Ike is also Managing Director of Azemuth, Inc., a Suri family office making principal investments since the mid-1990's. His primary focus has centered in building enterprise value via investments and by Mergers & Acquisitions. He has a long history of working with leading organizations across various industry sectors including Financial Services, Real-Estate, Information Technology, Med-tech, Health Care, Food and Beverage and Social Media.
Ike attended Delhi University's Sri Ram College of Commerce and further completed Undergraduate and Graduate course work in Finance and Marketing at Rutgers University.
Senior Advisor

Mark Bandak

Mark has over 23 years experience in private equity, venture capital and mergers and acquisitions. Prior to co-founding Sandbox & Co., an investment house focused on education and media, Mark was Managing Director of InvestCorp and The Blackstone Group, where he spent 13 years. Previously, he worked at Millbrook Capital, New York City Economic Development Corp. and Smith Barney Inc. Mark graduated from Columbia University (Hons, Engineering) and Columbia Business School (Hons).
Senior Advisor

Polly Preventza

Polly Preventza is a Managing Director at DelMorgan & Co., with over 13 years of professional experience as an investment banker advising clients on mergers and acquisitions and corporate finance transactions. Polly Preventza is also a Founder and Managing Partner at Navi Capital Partners, a Los Angeles based private investment firm that specializes in investing in profitable lower-middle market companies in Western United States.
In her career, Ms. Preventza has advised clients on over $60 billion of M&A and financing transactions, working with both public and private companies and with a particular focus and expertise in the healthcare industry. Prior to joining DelMorgan, Ms. Preventza was the founder and President of MPL Advisors Inc., a boutique investment banking advisory firm based in Los Angeles, California. Prior to founding MPL Advisors, Ms. Preventza was a Principal at the Bank of America / Merrill Lynch Investment Banking group in New York, specializing in M&A of healthcare companies. Her industry expertise spanned all sectors of the industry, including specialty pharmaceutical companies, medical devices and healthcare services companies.
Ms. Preventza has worked on a wide range of transactions, including Cardinal's spinoff of CareFusion ($4.7Bn), WellPoint's divestiture and sale of its Pharmacy Benefit Management business unit to Express Scripts ($4.7Bn), Alpharma's sale and defense against the hostile bid by King Pharmaceuticals ($1.6Bn), and Boston Scientific's multiple divestitures, several leveraged buyouts, and successful capital raises for companies in the healthcare, technology, telecommunications, real estate, consumer finance and gaming industries. Prior to joining Banc of America/Merrill Lynch, Ms. Preventza worked at Morgan Stanley Corporate Finance in Los Angeles and at Lehman Brothers Investment Banking in New York. Ms. Preventza holds a Ph.D. and a Master's of Science in Electrical Engineering from Caltech University in Pasadena, with a minor concentration in Finance, and a B.A degree in Electrical Engineering from National Technical University of Athens, Greece with highest honors. Ms. Preventza has also completed all three levels of the Chartered Financial Analyst (CFA) program.