A Compounding Life: Lessons in Long-Term Thinking from a Leading Endowment

Compounding applies to more than capital. The most important things in life—character, relationships, and purpose—will compound as well... if you let them.

Drawing on fifteen years co-leading Princeton University’s private equity and venture capital program, Ted Karns translates the principles behind endowments—principles he lived long before he had the language for them—into insights for building a life aligned with what matters most.

A Compounding Life invites readers to see their life and career decisions the way leading endowments see capital: as something to steward carefully, deliberately, and with a long-term horizon.

Endowments grow by aligning actions with mission, choosing partners wisely, embracing uncertainty, and compounding small advantages over decades. This book shows how those same habits can help individuals design a life that deepens in purpose and clarity. Karns approaches these ideas with honesty, humility, and a bit of humor.

Grounded in long-term investing and lived experience, A Compounding Life offers a long-term mindset for thinking about time, ambition, and alignment in a world that rewards immediacy. Above all, it encourages readers to act with intention, to choose partners and paths with care, and to let the quiet power of compounding shape the character, capital, relationships, and purpose that define a meaningful life.