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Team Biographies

Click on any team member's picture to learn more about him.

Gary C. Jackson, CPA, managing partner Gary Jackson

Gary joined Cornwell Jackson in 1983 and is an active Tax partner in Cornwell Jackson's business succession practice as well as the Dallas office director of Legacy Wealth Management of Texas. Gary considers himself first and foremost a business owner entrepreneur that has built businesses, managed them, developed leadership teams and sold divisions of his business, and he utilizes this real world practical experience in both managing Cornwell Jackson and in providing consulting services to management teams and business leaders across North Texas.



Scott Bates, CPA, audit partner

Scott Bates

Joining Cornwell Jackson in 2001, Scott was admitted to the partnership four years later. Currently, he oversees audit services and serves as the firm’s partner in charge of recruiting, sales, marketing and retention efforts. In this role, Scott manages audit engagements, ensures exceptional client service and oversees the audit and business services departments.       




Derek Northup, CPA, senior tax manager

Derek Northup          

Derek joined Cornwell Jackson in 2012. As Senior Tax Manager, he is responsible for supervising the operations of the tax services department, overseeing multiple large accounts while providing excellent customer service, training and developing team members and serves as the head of the firm’s dealership and real estate groups.




Mike Rizkal, CPA, audit manager

Mike Rizkal

Mike joined Cornwell Jackson in 2004 as a first-year audit staff. Now an audit partner, he assists with the supervision of the operations of the audit services department and oversees multiple large accounts while providing excellent client service.  

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Cornwell Jackson is an independent member firm of BKR International, a worldwide association of accounting and advisory firms.

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