The Tandem Team


Thomas D’Auria, CFA

Managing Partner and Co-Founder

Tom has over 35 years of investment management experience. He holds a BS in Finance with honors along with a Minor in Economics from the City University of New York. Tom is a long-time member of MENSA International. He is a Chartered Financial Analyst charterholder, a member of the CFA Institute and the CFA Society of Philadelphia. In 2021, Tom completed 10 consecutive years of the CFA Institute Professional Development (PD) Programs with continued learning geared toward increasing the knowledge, skills, and abilities of an investment professional. Tom has

spent much of his career focusing on the intricacies of equity valuations and building winning

portfolio strategies for investors. He co-founded Tandem Investment Partners with the goal of tailoring institutional-caliber investment strategies to match high net-worth client needs. Tom has been quoted in dozens of business magazines and newspapers worldwide. He has been interviewed on television and radio in both the US and foreign markets. Tom has given many speeches on equities and markets in London, Toronto, Hong Kong, Paris, Vancouver, Montreal and New York. Previously, Tom worked as Director of Research at Dumont & Blake; Chief Investment Officer for US Equities with HSBC Investments; and as a Senior Analyst for Merrill Lynch Asset Management working on a small and mid-cap equity growth fund, which earned a Lipper #1 ranking in 1995. Tom also worked as a Senior Securities Analyst at Midlantic National Bank as well as Vice President at Dreman Value Management.


Barbara Tweedy

Wealth Manager

Barbara has over 25 years of investment management experience. She specializes in providing comprehensive investment consulting services to ERISA and non-ERISA retirement savings plans for hospitals, governmental agencies as well as private employers. Her knowledge of 401(k), 403(b), 457, and individual retirement plans along with their investment options enables her to provide wealth management to a broad spectrum of clients. She enjoys working directly with individuals to plan for a secure retirement as much as helping employers and plan sponsors navigate

their responsibilities as plan fiduciaries. She is a graduate of The University of Phoenix and a resident of Prescott, Arizona. Prior to her career in financial services, Barbara held senior management positions in the hospital and health care industry.

Caleb Lennon

Caleb Lennon


Caleb has over 23 years of investment management experience. He has extensive expertise in providing investment consulting services to retirement savings plans in the governmental and private sectors. His knowledge of the various retirement savings vehicles along with their investment options allows him to provide wealth management solutions to a broad spectrum of clients. From helping individuals successfully plan for and live in retirement, to helping employers and plan sponsors navigate their responsibilities as plan fiduciaries, Caleb thrives on being of service to his clients. He graduated Magna Cum Laude from Arizona State University and has called Arizona home for over 34 years. Caleb currently shares his time with family living in both Prescott and Chandler.