Our Team
The professionals and senior advisors of Windeye Partners combine deep experience in advising companies on corporate finance, business valuations, and mergers & acquisitions.
Michael Guthammar
PartnerMr. Guthammar has more than 20 years of experience with corporate finance, business valuations, mergers & acquisitions, private equity, and venture capital.
He has advised corporations, investment funds, family offices, and business owners on numerous transactions and projects in North America, Europe, Middle East and Asia.
Mr. Guthammar gained a significant part of his experience at the merchant banking
arm of Credit Agricole, a major European bank, and was subsequently a partner at a boutique cross-border mergers & acquisitions firm before founding Windeye Partners.
Mr. Guthammar is a graduate of the Stockholm School of Economics and received an MBA from the Wharton School of the University of Pennsylvania.
He is a Certified Valuation Analyst (CVA) member of the National Association of Certified Valuators and Analysts (NACVA),
a member of the Business Valuation & Litigation Services committee of the New York State CPA Society (NYSSCPA), and a member of the Licensing Executives Society (LES).
Mr. Guthammar also serves as an Adjunct Professor of Finance at Stevens Institute of Technology.
Marie S. O'Brien
DirectorMs. O'Brien has more than 15 years experience with business valuations, financial due diligence, forensic due diligence, and business intelligence.
She previously worked at a Chinese investment bank in Beijing, Pricewaterhouse Coopers, Bristol-Myers Squibb, and Ernst & Young.
Ms. O'Brien received an MBA from Fordham Gabelli School of Business and Peking University, and a Bachelor of Science degree in accounting from
Fairfield University. She speaks fluent Mandarin Chinese.
Annie Jullien Pannelay
Senior AdvisorDr. Pannelay has more than 20 years experience working in the life sciences industry. She has hands-on experience across the ecosystem, including in healthcare banking,
pharma industry and as a pharmacist. She was recently Partner - Strategy Consulting at Product Life Group, and now operates as an
independent consultant advising pharmaceutical companies and life sciences organizations. Dr. Pannelay previously built the healthcare consulting practice of the Economist Intelligence Unit.
She has lived and worked in Europe, the US and Asia.
Dr. Pannelay received a Doctor of Pharmacy degree from Universite Montpellier I and an MBA from the ESSEC business school in Paris.
Richard Diamond
Senior AdvisorPrincipal of Castlewood Capital Partners with more than 25 years of experience in investment management, corporate finance, and strategic restructurings. Previously a Partner at Strait Lane Capital Partners and Evolve Capital, focused on control investments and recapitalizations of lower middle-market businesses.
Eric Feuillatte
Senior AdvisorMore than 30 years advising companies on acquisitions, divestitures, and market entry. Founded Etradex Corp. in 1989, a leading cross-border M&A and business development firm. Previously 14 years in management and sales/marketing for a leading European consumer products company.
Sharif Tanamli
Senior AdvisorMore than 25 years of investment banking experience focused on M&A and capital transactions with middle-market companies. Founder and Managing Director of Lenox Hill Capital Advisors. Previously founding Managing Director of CBIZ Mergers & Acquisitions Group, where he ran the New York investment banking office.