Partners and Principal

Our partners and principal are recognized thought leaders in the nonprofit community. Their expertise, commitment, and values set the tone for the firm.

You can also learn about our firm leadership and senior managers.


Timothy J. Sims

Professional Practice Leader – Attest

505.50.CAPIN ext. 1553
Areas of Service

Audit and accounting
Fraud and ethics
Employee benefit plans


With more than 25 years of public accounting experience, Tim has spent much of his career serving nonprofit entities. He specializes in serving organizations with international operations, higher education institutions, and other exempt entities. Tim has extensive for-profit experience working with construction, real estate, manufacturing, and technology clients and has provided services to many clients with respect to their employee benefit plans. Prior to joining CapinCrouse, he worked with Grant Thornton, including a two-year placement in Cape Town, South Africa, and with BKD in Colorado Springs.

Civic/Professional Involvement

American Institute of Certified Public Accountants, member
Colorado Society of CPAs, member
Christian Leadership Alliance Colorado Springs, former board member

Certifications and Licenses

Certified Public Accountant (CPA) – Colorado
AICPA Not-for-Profit Certificate

Speaking and Other Service

Tim conducts seminars on best practices for various topics, including fraud and ethics, board training, and specific accounting pronouncements. He also has served as Treasurer and board member of several nonprofit organizations in Colorado Springs. 


B.S., John Brown University