Partners and Managers

Bradley Sienkiewicz, CPA

As a co-founder and managing partner of AGL CPA GROUP, Bradley is responsible for the overall direction and growth of the firm. Bradley is responsible for the overall quality of services provided to clients, and understands that responsiveness, quality and professional service is what it takes to exceed our clients’ expectations. Bradley advises clients in …

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Jay Robbins, CPA, PFS, CFP®

Jay Robbins is a Partner in the Firm’s Tax and Consulting Divisions. Jay serves clients in several industries, but with an emphasis on healthcare, professional services, financial services, alternative investments, private equity and construction.  Jay specializes in overseeing complex financial structures such as domestic and offshore funds, master feeder and private equity funds, broker dealers …

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Jim Leutenegger, CPA

Jim Leutenegger is a tax partner with more than 20 years of experience of providing tax consulting and compliance services to small and middle market businesses.  Jim has extensive experience working in the technology, professional services, distribution and light manufacturing industries operating in all 50 states and with considerable inbound and outbound transactions worldwide. Jim …

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William Harshman, CPA, CGMA

Bill Harshman is a partner at AGL CPAs, and his practice includes providing business, accounting and tax consulting and representation services and tax return preparation services to a variety of companies that range in size from a few hundred thousand to several billion dollars in annual revenues. His clients represent a broad cross section of …

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Greg Banister, CPA

Greg Banister, CPA

Greg Banister is an Audit Director with AGL CPA Group, where he helps clients identify ineffective control environments and processes so they can implement corrective actions. With over two decades in public accounting working with firms that range from local establishments to those with an international reach, he brings plenteous experience that helps his clients …

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Daniel Cassandra, CPA, CFE

As an Audit Supervisor with AGL CPA, Daniel Cassandra coordinates and facilitates audit engagements, communicates findings to clients, and partners with them to identify pain points and implement solutions to alleviate those issues. Prior to his role with AGL, Daniel cut his audit and forensic accounting teeth working with the Georgia Department of Audits. He …

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Justin Bailey

Justin Bailey, CPA

Justin Bailey is a Senior Tax Manager with AGL CPA Group. Working to maximize efficiencies, he serves clients by helping them manage their income tax, consults with businesses how to more effectively and efficiently run their operations, and advises business owners and managers on long term tax planning, succession planning, and effective cash flow management. …

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Russ Gentry, CPA

Russell Gentry is a Tax Manager at AGL. He has spent his entire 13-year career in public accounting, and 12 years specifically in tax. He brings remarkable skills and knowledge to his clients, particularly in the areas of tax planning, preparation, and review. Before joining AGL, he honed his expertise at small local and large …

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