List your company on Longevity Club — free.

Put your products in front of thousands of active longevity customers.

Claim free listing

Mark Koehnlein Investor

Experienced finance professional with a strong background in fund accounting and financial management. Skilled in overseeing financial operations and ensuring compliance with regulatory requirements. Proven track record of success in roles such as Controller and Chief Financial Officer. Extensive experience in the financial services industry, including positions at FrontFour Capital Group, Oakum Bay Capital, and Steel Partners. Strong educational background with a Bachelor of Business Administration in Finance from Saint Michael's College. Currently serving as Controller at Octagon Capital Advisors in the New York City Metropolitan Area. Passionate about driving financial success and achieving business goals.