Bio, work history, education & how to reach out.
COO at RSM US LLP
*******@rsm us llp.com
+1 **********
Last updated: 2026-03-03
Sam Mascareno is the Chief Operating Officer at RSM US LLP, responsible for leading enterprise operations across multiple regions including the U.S., Canada, India, and El Salvador. He has been with RSM since 2001 and previously served as the enterprise markets leader and West region leader. Sam has a background as a tax professional and is known for his pragmatic, data-driven approach to business. He is committed to inspiring teams and delivering results aligned with RSM’s purpose.
Sam Mascareno has extensive experience in leading large-scale projects and delivering tax consulting for global clients. He has held various leadership roles at RSM, focusing on growth, client experience, and market strategy. His career began as a tax professional at a Big Four firm in 1994, and he has been with RSM since 2001.
Sam earned a Bachelor of Science in Accounting and a Master of Science in Accountancy (Tax) from San Diego State University-California State University.
You can reach Sam Mascareno at *******@rsm us llp.com or by calling +1 **********. To get Sam Mascareno's contact information and other B2B leads like this, sign up for a free account at Anybody.com.
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