Denver, Colorado  - EKS&H, the largest nationally recognized Colorado-based audit, tax, technology, and business consulting firm, continues its record of growth by announcing the promotion of five partners: Michael S. Fitzgerald, CPA; Rebecca B. Kelley, CPA; Michael T. Lopez; Clayton J. Sparks, CPA; and Kari Ritz Thiessen, CPA.


“I am honored to announce the newest partners at EKS&H,” said CEO Bob Hottman. “Keeping with our tradition of advancing the most accomplished and valued team members, each of these partners has continuously proven his and her dedication to our clients, employees, and the firm. On behalf of the entire EKS&H team, I offer our wholehearted congratulations to these extraordinary individuals.” The five new partners combined have approximately 70 years of accounting and consulting experience.


Michael S. Fitzgerald, CPA, has more than 10 years of public accounting experience and primarily serves closely held/privately held companies operating in a wide variety of industries, including manufacturing, distribution, private equity, technology, and professional services. His expertise includes federal and state income tax planning, consulting, and compliance related to mergers and acquisitions and multistate consolidated entities. Michael earned a Master of Taxation from the University of Notre Dame and is a member of the Colorado Advanced Manufacturing Alliance.


Rebecca B. Kelley, CPA, has more than 10 years of consulting experience and helps lead the Accounting Solutions Group at EKS&H. She offers clients expertise in accounting processes, including compilations; payroll accounting; accounts payable and receivable; and month-end processes, procedures, and review. She utilizes a variety of accounting software, including MAS 90, Great Plains, and QuickBooks. As a QuickBooks Certified ProAdvisor, Rebecca has extensive experience optimizing QuickBooks to meet clients’ unique needs. She earned a Bachelor of Science in accountancy from the University of Denver and is a member of the Aurora Chamber of Commerce.


Michael T. Lopez has more than 15 years of experience as an IT professional providing insight and strategy on a number of topics, including systems and server planning, budgeting, installation, management, configuration, troubleshooting, maintenance, security, integration of LAN and WAN networks, and strategic IT planning. Mike offers expertise to the oil and gas industry, the manufacturing industry, privately owned businesses, and nonprofit clients. He leads the managed IT and IT projects practice teams in the EKS&H Business Technology Services group, which specializes in outsourced technology support, managed IT services, cloud computing, and technology implementations and migrations. He earned a Bachelor of Science in computer information systems and management from Metropolitan State University of Denver and is certified in Microsoft and Cisco products.


Clayton J. Sparks, CPA, has more than 10 years of experience in public accounting and consulting and primarily serves privately held companies in the real estate, professional services, clean technology, and manufacturing industries. Clayton’s expertise includes transaction structuring, tangible property regulations, investment tax credits, and installment sales reporting. He earned a Bachelor of Science in accounting from the University of Arizona. Clayton is a board member of Playworks Colorado and a member of the Denver Metro Chamber of Commerce Infrastructure Committee.


Kari Ritz Thiessen, CPA, has more than 20 years of transfer pricing and valuation experience, including 18 years at a Big Four firm prior to joining EKS&H in 2013. She leads the transfer pricing practice area at EKS&H, and her expertise includes documentation of all transaction types, intangible property planning, audit defense, benchmarking assistance, and risk assessment and minimization, particularly as it relates to base erosion and profit shifting. Kari has extensive experience in a variety of industries, including technology, manufacturing, professional services, retail, and medical devices. She earned a Bachelor of Science in accounting from Boston College, and she is an executive board member and treasurer of the World Trade Center Denver, a leader in the EKS&H International Advisory Group, and a member of the International Business Circle.


About EKS&H 

EKS&H is a nationally recognized professional services firm providing audit, tax, technology, wealth advisory, and business consulting services to public and private clients. Our commitment to client service has resulted in sustained growth since we began in 1978. Working collaboratively, the best measure of our success is the success of our clients.

Currently, we have more than 100 consulting professionals and the largest number of CPAs of any firm based in the Rocky Mountain region. We have approximately 650 employees, including more than 60 partners, in five offices. We are ranked as the 40th largest U.S. firm in 2016 by Accounting Today and the fifth largest in the western U.S., and we have been named a Best Place to Work by the Denver Business Journal, Great Place to Work® Institute, and Fortune Magazine.


For more information, please contact Marketing Manager Paul Kaiser at 303-740-9400 or