Unreasonable Mentors

Carl Liederman

Strategic Advisor with 30 years experience in VC, Cross-Border M&A, PE, Capital Markets, Impact and Sustainability (and a bit of a ski bum)

Carl is an Unreasonable Mentor. Carl has participated in 5 programs, including mentoring virtually in Fall 2020 Programs, and has advised over 64 Unreasonable companies.
Carl Liederman is the Founder and CEO of LIEDERSHIP, a strategic advisory that operates globally on a trusted- advisor model.  He has considerable experience in simplifying complexity, launching and scaling businesses and organizations, building teams and coalitions, as well as consensus building, stakeholder engagement, impact assessment, and compliance and governance. Carl has practiced law in New York, Washington, D.C., Paris, Geneva, and London, and has led deals in over 70 countries. Having worked and built smaller offices of global firms, Carl has developed a business-focused approach that combines strategic problem solving with fit-for-purpose execution and implementation. Carl also has founded charities, chaired charitable boards, and advised leading charities. Carl is a frequent speaker and moderator at international conferences and he has served in many leadership a positions throughout his career. Carl received his J.D. from Yale Law School and his B.A. from Pomona College, summa cum laude, valedictorian. He is fluent in French and conversant in Italian, Spanish and Greek.