Steve Rivers, CPA
Managing Partner

Steve Rivers, CPA
Managing Partner
Steve leads Rivers & Moorehead and has two decades of experience serving clients of and developing people. Founding Rivers & Moorehead in 2004, Steve set out to provide businesses with a highly-skilled professional services firm designed to be the perfect extension to any accounting department. Through his experience within numerous Fortune 1000 companies, Steve has developed the highly technical accounting knowledge and business sense necessary to solve some of today’s most complex compliance challenges. He is an experienced leader who believes in clear communication, accountability, and execution.
Professional Experience
- CFO at Medistem Inc.
- Interim Vice President of Corporate Accounting at Avnet, Inc.
- Controller at ON Semiconductor
- Member of the Assurance Services Staff at KPMG and Arthur Andersen
- Certified Public Accountant in Arizona
Education
- Bachelor of Science, Accounting from Indiana University Bloomington
Brian Jones
Partner

Brian Jones
Partner
Brian joined the firm in 2014 to launch the firm’s Business Valuation Services practice. Brian has over 20 years of experience performing complex valuation engagements for various public and private entities as well as many Fortune 500 companies. Brian specializes in valuing complex securities and derivative financial instruments as well as contingent liabilities.
Professional Experience
- Partner and Financial Reporting Practice Leader at Kotzin Valuation Partners
- Vice President, Corporate Value Consulting at Duff & Phelps
- Member of the Valuation Staff at PwC
Education
- Master of Science, Capital Markets & Financial Engineering at Illinois Institute of Technology
- Bachelor of Science, Economics from Oregon State University
Tammy Rivers, CPA, CFE
Partner

Tammy Rivers, CPA
Partner
Tammy leads the firm’s SOX consulting portion of our SEC Compliance practice and brings decades of experience in public accounting and industry. She diligently assists clients of all sizes through the complexities of Sarbanes-Oxley compliance requirements and consults on fraud prevention and internal control implementation and design.
Professional Experience
- Internal Audit World Manager at On Semiconductor
- Finance Special Projects Manager at On Semiconductor
- Member of the Assurance Staff at PwC and KPMG
- Certified Public Accountant in Arizona
- Certified Fraud Examiner
Education
- Bachelor of Science, Accounting from Loyola University
Kevin Marcelo, CPA
Partner

Kevin Marcelo, CPA
Partner
With over 15 years of experience in public accounting and as a consultant to some of Phoenix’s largest companies, Kevin primarily works within the firm’s SEC Compliance, Pre-Audit and Financial Reporting and Accounting Projects, Controllership Services & Staff Augmentation practice areas. Kevin specializes in U.S. GAAP and SEC reporting as well as complex research and analysis within these areas.
Professional Experience
- Consultant to ON Semiconductor, Amkor Technology, The Joint and various private clients
- Senior Manager at Deloitte
- Certified Public Accountant in Arizona
Education
- Bachelor of Science, Economics and Accounting from University of California Los Angeles
Shawn Moore
Partner

Shawn Moore
Partner
Shawn’s deep industry experience provides clients with a unique prospective into their accounting functions. Shawn works within the firm’s Pre-Audit and Financial Reporting and Accounting Projects, Controllership Services & Staff Augmentation practices. He provides outsourced controller consulting services that include general ledger setup and maintenance, consolidations, accounting department best practices, accounting software implementation and efficiency maximization, monthly financial reporting and audit preparation.
Professional Experience
- Consultant to Bio2 Medical and Drake Cement
- CFO Pinnacle Transportation
- Accounting Manager at Knight Transportation
- Controller at Roadwest Transportation
- Regional Accountant at Fleetwood RV, Inc.
Education
- Master of Business Administration, University of Phoenix
- Bachelor of Science, Business/Economics with a specialization in Accounting, Eastern Oregon University
Alex Manuel, CPA
Partner

Alex Manuel, CPA
Senior Manager
With over seven years of experience in public accounting, Alex works within the firm’s Pre-Audit and Financial Reporting and Accounting Projects practice areas. Alex has worked in a wide variety of industries through his public accounting career, bringing U.S. GAAP and SEC reporting experience as well as research and analysis within these areas.
Professional Experience
- Manager at Ernst and Young
- Certified Public Accountant in Arizona
- Member of the Board of Directors and Treasurer of an Arizona based Not-for-Profit
Education
- Bachelor of Science, Accounting from University of Arizona