Our Team

Johnson Wealth Management wants you to consider us as a trusted advisor among those professionals who will help guide you through your financial decision making processes. Earning that privilege requires hard work, extensive education, and the highest standards of integrity and professionalism. Our investment philosophy focuses on each individual's unique financial needs.


The team of Johnson Wealth Management includes Andrea L. Johnson and C.J. Testarella. We invoke a professional philosophy which focuses on each individual’s unique financial needs. Because of the many investment choices and solutions available today, we research equities, mutual funds and other investment products to provide the right fit for each client.


Johnson Wealth Management closely reviews our clients’ progress through in depth research in conjunction with technical and fundamental analysis. Meetings are scheduled regularly to share the findings. We also provide educational newsletters and informational articles on a variety of financial topics to keep our clients up to date on economic conditions. These factors combined with portfolio and financial plan reviews provide an ongoing, comprehensive approach designed to educate and direct clients to a sound and secure financial future.

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Andrea L. Johnson-Robertson, AWMA®
Managing Director, Financial Advisor
About Andrea

Andrea is Senior Partner at Johnson Wealth Management, where she has worked since 2006. She began her career in the IRA Department of Parker/Hunter, Inc. before graduating college, then spent 11 years as an account executive and fixed income manager for the firm’s clients. When her father, Chuck, the practice’s founder, retired in January 2018, Andrea stepped into the role of leading portfolio management, where she now crafts investment strategies for the firm’s clients.


Andrea’s industry recognition includes membership in Janney’s CEO Roundtable, Forbes Best-in-State Next-Gen Advisor honors in 2022 and 2023, and Forbes Best-in-State Woman Wealth Advisor recognition in 2024, 2025, and 2026. She holds licenses with FINRA, the NYSE, and the Pennsylvania Securities Commission, is insurance licensed with the Pennsylvania State Insurance Commission, and has earned the Accredited Wealth Management Advisor designation from the Wharton School of Business at the University of Pennsylvania. She is a graduate of Pennsylvania State University’s main campus, holding a Bachelor’s degree in Marketing with a minor in International Business and a concentration in Women’s Studies, and studied abroad in Perugia, Italy during her undergraduate years.


Andrea lives in Valencia, PA with her husband, Tim, and their three dogs, Penny, Belle, and Nugget. Outside the office, she enjoys traveling, reading, and painting.

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C.J. Testarella, AWMA®, CLTC®
Assistant Vice President / Wealth Management, Financial Advisor
About C.J.

Charles “CJ” has been with Johnson Wealth Management since 2016, after graduating Magna Cum Laude from Slippery Rock University with a bachelor’s degree in Finance. He was also a member of Delta Mu Delta, an honor society that recognizes academic excellence in business schools across the country. CJ has completed Janney’s Financial Advisor Training Program along with obtaining the prestigious Accredited Wealth Management Advisor™ designation from The College of Financial Planning. CJ has furthered his education by earning the designation of Certification for Long-Term Care (CLTC®).


CJ is enjoying life as a father to his son Renzo, who was born in December 2023. In 2026, he and his family are preparing for an exciting new chapter as they expect the arrival of their second son, Stello, in October.

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Jon Hoover, CFP®
Account Executive
About Jon

Jon joined Janney in 2023 as a Private Client Associate following his graduation from the Virginia Military Institute (VMI). At VMI, he graduated with honors and earned a Bachelor’s Degree in International Studies with a French Minor while wrestling Division 1. Throughout high school and college, Jon enjoyed buying and selling stocks in his personal accounts and learning about investing through his participation in the Cadet Investment Club and economics classes.


Currently, Jon has successfully passed the Securities Industry Essentials (SIE), Series 7, and Series 66 Exams, and the Accident, Health, and Life Exam. Most recently,, he recently obtained the prestigious CERTIFIED FINANCIAL PLANNER (CFP®) designation in July of 2025.  


Jon enjoys helping people navigate their financial health through investing, saving and spending habits, retirement, and tax planning, and much more. He wants to help people understand and achieve their financial goals and aspirations through custom designed financial plans on a person-to-person basis. Jon spends his free time working out, hiking, kayaking, fishing, reading, writing, and learning about entrepreneurship.

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Melissa Harrison
Private Client Associate
About Melissa

As a Private Client Associate, Melissa handles the administrative responsibilities, oversees the team's day-to-day operations, and wide-ranging needs of our clients.


Melissa holds a Bachelor’s degree in Business Administration with a concentration in Finance from Nichols College in Dudley, MA. She began her career as an Investment Performance Assistant with Bank One Investment Advisors in Milwaukee, WI. After relocating to Durham, NC, she joined Central Carolina Bank and Trust, where she worked as an Investment Associate in the Trust Department before transitioning to the Information Technology Department as a Business Analyst. Prior to joining Johnson Wealth Management, Melissa balanced a successful career in retail management while raising her family.


Melissa and her family moved to Cranberry Township, PA in 2012. Outside of the office, she enjoys gardening, reading, spending time with her family, and taking walks with their dog, Daisy.

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Contact us today to discuss how we can put a plan in place designed to help you reach your financial goals.