Daniel C. Henning, CPA/PFS, CFP®

Tax Partner

A graduate of San Diego State University, Dan began his accounting career in 1991, and has developed a specialization in financial and tax planning for high net worth / income individuals, their related businesses, and investment interests. Along with his duties at Henning Dowdy & Jones, LLC, he also owns the financial investment practice of HC Advisors, LLC. In this position he frequently lectures on financial and retirement planning strategies for transitioning executives and employees. Dan’s personal achievements include his being the starting quarterback for the University of Maryland, where he set all single season passing records. Dan was also briefly active with the New England Patriots and the International Football League.

Kelly Dowdy, CPA/PFS, CFP®

Managing Tax Partner

Kelly received her Masters of Taxation degree at Georgia State University in 1992 and began her accounting career with KPMG, LLP, a “Big 6” accounting firm. While there, she worked with officers/shareholders of companies ranging in size from entrepreneurial to Fortune 500 companies. She also spent five years as a tax manager for a mid-size firm in Norcross. Kelly joined the firm in 2004 as a Tax Manager and has developed a specialization in tax planning for businesses and high net worth/income individuals.

Tabitha L. Jones, CPA/PFS, CFP®

Tax Partner

A native to Atlanta, Tabitha received both a BBA in Accounting and Masters of Accounting from Kennesaw State University. She joined the firm in September, 2007 as a Tax Staff and made Partner in 2014. She works extensively with the unique circumstances facing high net worth families and their businesses including tax minimization, tax planning, estate and trust planning, generational issues, private foundations and legacy succession. Tabitha holds a Series 65 license and is a Registered Investment Advisor with affiliated firm, HC Advisors, LLC. She recently joined the Board of Directors for the Dunwoody Nature Center and also serves on the Leadership Council and Management of an Accounting Practice Advisory Council for the Georgia Society of CPAs.


Mallori J. Muhlfelder, CPA

Tax Manager

Mallori graduated from Oglethorpe University where she earned a Bachelor’s of Science in Accounting and a minor concentration in Economics. Mallori began her accounting career with The Muntzing-Sattele Company, a small commercial real estate firm in Atlanta. Mallori joined Henning, Dowdy & Jones, LLC in 2013 as a Tax Staff and earned her CPA license in April, 2018.

Drew S. Killpack, CPA, CFP®

Tax Manager

Drew Killpack is a long-time Atlanta resident with experience in both Public Accounting and Institutional Investing. He holds a Bachelor’s of Science degree in Business Administration from the Georgia Institute of Technology. Prior to joining Henning, Dowdy & Jones, LLC in January 2016, Drew was a member of the trading team of an Atlanta money management firm specializing in its wrap asset program. He is a member of the American Institute of CPAs, the Georgia Society of CPAs, and enjoys weightlifting and reading in his free time.

Tanya G. Gainsford, CPA

Tax Staff

Originally from Alabama, Tanya has been a resident of the Atlanta area for the past 12 years. Her background is in sales and administration roles with manufacturing companies. Seeking a new challenge, she went back to school and obtained a bachelors degree in accounting. She recently completed the MAcc program at Auburn University in July, 2019 and received her CPA license in October, 2019.

Dillon M. Durden

Tax Staff

Dillon is originally from Brunswick, Georgia and graduated from the University of North Georgia in May 2016 where he earned a Bachelor of Business Administration in Management. He spent two years in guest services at the Jekyll Island Club Resort. Dillon joined the HDJ team in January 2019 as a Tax Staff.

Bradley A. Thompson

Tax Staff

Bradley is a greater Atlanta native, hailing from Loganville, Georgia. Bradley is a Double Eagle from Georgia Southern University, completing a Bachelor of Business Administration in December 2018 and a Master of Accountancy in the summer of 2019. Bradley joined Henning, Dowdy, & Jones in August of 2019 as a Tax Staff.

Carrie E. Dubois

Tax Staff

A long-time resident of Cobb County, Carrie has a Bachelor of Science in Accounting from Southern Polytechnic State University. She joined HDJ in 2019 as Tax Staff and is currently working on obtaining her CPA license. She enjoys spending her free time with her husband and dogs.


Lily M. Hsieh

Chief Operating Officer

Lily Hsieh joined HC Advisors in December 2015 as Operations Manager. Formerly with Harvest Oak Capital and Suntrust Investment Services, Lily has over 10 years of experience in the Wealth Management industry. She brings a strong background in Client Service and Operational skills. Lily is a graduate of Georgia State University with a degree in Finance. Lily's outside interests include cooking and traveling.

Teresa A. Browning


Teresa has been a resident of Atlanta since 1983. She joined Henning, Dowdy & Jones, LLC in May, 2015. Her experience includes working with the public, sales, and administrative support in financial related industries. Teresa is active in her church and enjoys reading, baking, and spending time with friends. She is a member of Christian Authors Guild & Word Weavers International.

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