Defined by experience
A team of bankers, diplomats, and industry experts
About the firm
Foresight in a changing world
Abbert Capital is a private investment and advisory firm built on a foundation of multidisciplinary expertise. We pair deep sector knowledge with advanced analytical discipline to direct capital into carefully selected assets that offer sustainable growth and predictable returns. Abbert Capital also invests in and advises companies at the forefront of applied artificial intelligence, particularly in industrial, energy, and enterprise applications.
Our team
Leadership
Harry Fleming
Chairman & Founder
35+ years in legal and business experience. Led multiple public company IPOs and served as CEO, CFO, and General Counsel at public and private companies focusing on healthcare and energy sector turnarounds.
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Joseph Fleming
CEO & Managing Partner
Integrates corporate finance with geopolitical expertise as lead strategic advisor. Recently spearheaded a $7.5 billion cross-border energy transaction and has advised sovereign governments including Pakistan, Libya, and Yemen.
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Ken Manget
Senior Advisor, Client Advisory
Previously Global Head of Relationship Investing at Ontario Teachers' Pension Plan managing a $10 billion portfolio. Originated and structured over $30 billion in capital funding programs across a distinguished investment banking career.
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Özer Öz
Partner, Abbert Development
Three decades in global industry, trade relations, and cross-border investment. Former COO of Yıldırım Holding, a major Turkish multinational operating across 50+ countries in mining, energy, and logistics.
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Matthew Bryza
Partner, International
Former U.S. Ambassador to Azerbaijan with a 23-year diplomatic career. Served as Deputy Assistant Secretary of State covering Turkey, Central Asia, and the South Caucasus, and directed Caspian Basin energy security policy.
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Brendan Fleming
Managing Partner & General Counsel
Principal focusing on investment underwriting and advisory services. Previously at Husch Blackwell LLP representing commercial banks, private equity firms, and business owners on complex finance, corporate, and real estate transactions.
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Yadel Oskan
Partner, International
Lifelong entrepreneur and investor with two decades of executive leadership. Founded IQ TRAVEL, growing it into a premier international tourism operator before its acquisition by FTI Group. Expanded into international energy as a principal investor since 2004.
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Hakan Kabalak
Partner, International
Over three decades as a real estate developer and industrial power specialist, executing large-scale residential, commercial, and industrial projects. Led project development for a large-scale gas-fired power plant in Central Asia and a major mining operation in Turkey.
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Omar Qandeel
Partner, Tokyo
Leads the firm's Japanese advisory practice, specializing in bridging European and Asian corporations with markets in the Middle East and North Africa. Previously conducted research for Saudi Aramco and represented Saudi Arabia at the World Meteorological Organization.
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Ronald Gualy
Director, Abbert Development
Experienced executive in energy, renewables, technology, and engineering. Spent most of his career with large EPC companies including Foster Wheeler and Kellogg Brown & Root, with a strong focus on Asia and Latin America.
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Ed McMullen
Senior Advisor
Former U.S. Ambassador to Switzerland and Liechtenstein (2017–2021). Over 30 years in public policy, politics, and business. Cultivated the strongest bilateral U.S.–Swiss relationship in history and grew Switzerland from the 8th to 6th largest foreign direct investor in the U.S.
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Tom Foster
Senior Advisor
30 years of federal and cross-border taxation practice at Exxon, specializing in international, state, and local taxation. Served on multiple NYSE board positions and coordinated major industry tax litigation, including cases before the U.S. Supreme Court.
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