Marcus Rien, CPA, is a thought leader, financial strategist, and entrepreneur redefining what it means to build a career with a CPA credential. With deep experience across PE-backed companies, startups, SMEs, and Fortune 1000 organizations, Marcus has spent his career at the intersection of financial leadership, operational strategy, and entrepreneurial thinking.

An AICPA Leadership Academy graduate, Marcus has served the Minnesota Society of CPAs for eight years — six as Leadership Committee Chair and two as Advisor to the Chair — and continues as an Editorial Committee member, where he has been a consistent voice for innovation and the evolution of the profession.

He is the founder and CEO of Waves Fractional — a tech-enabled consulting marketplace for CPAs only — built on a mission to inspire and empower the next generation of entrepreneurial CPAs.

His message to the profession is both a challenge and an invitation: the credential opens more doors than most CPAs ever try.