Our Team
Investment Committee
![](https://zandw.com/wp-content/uploads/2024/01/9.jpg)
Chris G. Griesedieck, CFP®
Chairman and Managing Director
Joined the Firm in 1999
![](https://zandw.com/wp-content/uploads/2024/01/3.jpg)
John M. Johnson, CFP®
President and Managing Director
Joined the Firm in 1991
![](https://zandw.com/wp-content/uploads/2024/01/8.jpg)
William C. Stude III, CFP®
Executive Vice President and Managing Director
Joined the Firm in 1996
![](https://zandw.com/wp-content/uploads/2024/01/2.jpg)
Jonathan A. Best, CFA, CFP®
Vice President
Joined the Firm in 2002
![](https://zandw.com/wp-content/uploads/2024/01/7.jpg)
Bryan L. Schulz, CFP®
Vice President
Joined the Firm in 2001
![](https://zandw.com/wp-content/uploads/2024/02/Untitled-design-40.png)
Joseph P. Bonastia, CFA, CFP®
Portfolio Manager
Joined the Firm in 2016
![](https://zandw.com/wp-content/uploads/2024/01/1.jpg)
Krystal M. Hill, CFP®
Portfolio Manager
Joined the Firm in 2011
![](https://zandw.com/wp-content/uploads/2024/01/11.jpg)
Alex B. Dirksen
Investment Analyst
Joined the Firm in 2022
Administrative Team
![](https://zandw.com/wp-content/uploads/2024/02/Untitled-design-23.png)
Tammy L. Arnold
Account Administrator and Office Manager
Joined the Firm in 1999
![](https://zandw.com/wp-content/uploads/2024/02/Untitled-design-25.png)
Debbie L. Latorre
Client Service Administrator
Joined the Firm in 2017
![](https://zandw.com/wp-content/uploads/2024/02/Untitled-design-24.png)
Denise M. Suria
Senior Portfolio Administrator
Joined the Firm in 1988