MSU Denver College of Business accounting students kicked off the semester with a guest speaker whose journey turned eth
February 4, 2026
Sheri Betzer’s graduate accounting ethics course (ACCM 5000) kicked off the semester with a full classroom and a guest speaker whose story felt more like a real-life case study than a lecture.
Graduate and undergraduate accounting students gathered to hear from Sean Mueller, a former stockbroker and hedge fund manager who once raised $140 million in investments before ethical lapses led to federal charges and nearly 14 years in prison. Now, he shares his experience with students and organizations to talk honestly about accountability, integrity, and the long-term impact of the choices we make.
Sean spoke candidly about his upbringing and his time as a student at MSU Denver, where he felt impatient to finish school and eager to start making money. That drive led to a fast-paced career in finance and early success, but he admitted that pride and ego began to outweigh his ethics.
Those decisions eventually caught up with him.
Facing criminal charges and the loss of everything he had built, Sean described hitting rock bottom and struggling with his mental health before help arrived. He later served nearly 14 years in prison, where he began the slow and difficult work of rebuilding his life. He read hundreds of books, trained dogs, pursued education, and focused on taking responsibility for his actions.
Education became his turning point.
After his release in 2024, Sean enrolled at the University of Colorado Denver, completed his bachelor’s degree in communication with top honors, and immediately continued into a master’s program in entrepreneurship. Today, he serves on the advisory board for CU Denver’s Prison Education Program and speaks with students, teams, and organizations about leadership rooted in character and integrity.
His message to the class was simple and direct. Ethics are not optional. They are the foundation for everything else.
For students beginning a course centered on ethical decision-making, it was a powerful and very real reminder that the consequences of business decisions extend far beyond the balance sheet.
It was a meaningful way to start the semester and a conversation that will likely stay with students long after the class ends.
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