Armada Team

Wealthstone Armada has a vetted team of investment experts, strategists and veterans in the field.

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Brian Stertzer, Managing Director, Armada, CFP®

Brian Stertzer is the managing director of WealthStone Armada. He is responsible for pioneering the WealthStone multi-advisor Armada solution for high-net worth individuals, family offices, endowments, and foundations.

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Becca Mastroianni, Client Service Director, Armada

Becca is passionate about creating an exceptional and customized Armada client experience. With over 12 years of industry experience, she builds strong partnerships that transcends conventional investment relationships.

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Kevin Kale, Director of Business Development, Armada

Kevin leads the new business development strategies for Armada services. He works closely with high net worth and institutional clients to identify the appropriate investment strategies and how to customize the Armada platform to meet their needs.

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Kevin Kull, Director of Operations, Armada, CFA®, CPA, MBA

Drawing from his broad range of credentials and expertise, Kevin provides daily leadership related to all aspects of the complexity of multiple investment advisors. He also provides regular monitoring to ensure data integrity.


Lee Caleshu, Director of Investments, Armada, CFA®

Lee oversees the development and maintenance of the Armada investment platform, providing a depth of insight and oversight to each advisors portfolio. Lee brings to Armada nearly 20 years of extensive experience, investment knowledge, and relationships with managers that are unparalleled in the industry.


Jack Zhang, Director of Risk Management, Armada, CFA®

Jack oversees the implementation of strategic and tactical allocation strategies created by the WealthStone Investment Committee. Jack plays a key role in Armada’s investment and research process, enhancing risk monitoring abilities at the individual investment and overall portfolio levels.

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Christopher Rule, Director of Reporting, Armada, CFP®

Chris coordinates reporting for the Armada solution, working to ensure efficiency and data integrity. He coordinates with each advisor partner to ensure that the goals of the client are being met and the client experience is smooth.