Grant Thornton’s Houston Office Admits AdriAnn Jahn and Ed Kleinguetl as Partners


Grant Thornton LLP admitted AdriAnn Jahn as Tax partner and Ed Kleinguetl as Transaction Services partner in the firm’s Houston office. Across the firm, Grant Thornton admitted 47 new partners and principals and promoted 29 professionals to managing director.

Partners and principals admitted to the firm are proven leaders that have demonstrated excellence in embracing the firm’s values and helping clients achieve smart, quality growth in all aspects of their businesses. Noted for their exceptional contributions to Grant Thornton, these experienced professionals demonstrate a great ability to build relationships with clients and people at all levels of the firm.

“AdriAnn and Ed have consistently demonstrated long-term leadership in both the profession and their communities, and they have provided tremendous value to our clients, as well as to our firm,” said Michael Bennett, Grant Thornton’s Houston office managing partner. “These promotions highlight Grant Thornton’s commitment to building a healthy, high-performance culture, which goes hand in hand with supporting the career development of our leaders at all levels across the firm.”

Jahn joined the firm in 2010 and has over 14 years of experience advising multinational clients in the health care, oilfield services, manufacturing, service, and nonprofit sectors. She has assisted clients in identifying key tax issues and implementing key tax strategies, as well as, provided both tax compliance and provision services. Prior to being admitted as partner, Jahn served as a senior manager.

Jahn is a certified public accountant (CPA), a member of the American Institute of Certified Public Accountants (AICPA), and a member of the Texas Society of CPAs. She is also a board member of the Interlinc Family Foundation. Jahn received a master’s degree in taxation and a bachelor’s degree in accountancy from Baylor University.

Kleinguetl joined the firm in 2013 and has more than 30 years of experience, including invest advisory service, merger integration, divestiture advisory service, change management, and performance improvement. He leads Grant Thornton’s Integration and Divestiture offering within Transaction Services. Before being admitted as partner, Kleinguetl was a managing director.

Kleinguetl is a CPA, licensed in both Texas and Ohio, and a member of the AICPA. He is also a Deacon for the Catholic Archdiocese of Galveston-Houston. Kleinguetl received a bachelor’s degree in accountancy from The Ohio State University and is currently completing a master’s degree in spirituality at Loyola University Chicago.

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