Our People

Hein maintains four offices in Denver, Houston, Dallas, and Orange County. We work as a team to bring together the resources you need, wherever you are located in the U.S., or around the world. Search below to find Hein Partners, Principals, or Directors by name, service area, office, or industry specialization.

Deanna Duell, CPA, CGMA

Managing Consultant


Deanna has more than eighteen years of oil and gas industry experience and currently serves as a Managing Consultant on the Business Advisory Services team at Hein & Associates. Her focus is in managing operational accounting non-attest engagements for exploration and production (E&P) companies. Her responsibilities include managing JV Audit engagements for non-operators having an interest...

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Mark Hurst, CISA

Managing Director


Mark has been part of the Hein & Associates team since 2008. With nearly 30 years of experience in consulting on finance, technology, and organizational management, he specializes in assisting companies with implementation of internal controls. Always putting his clients’ interests first, Mark ascribes his success to his dedication to serving clients and his persistence...

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