Perennial has five departments that serve directly under the general manager which are Operations, Finance and Accounting, Customer Services, Engineering, and Purchasing and Warehousing. The managers of those departments are as follows: Steve Gerken, Manager of Operations; Mike Haumont, Manager of Finance and Accounting; Lisa Jacobsen, Manager of Customer Services; Brandon Lehman, Manager of Engineering; and Jeff Burk, Manager of Purchasing and Warehousing.
Including the staff and general manager, Perennial has 33 full-time employees.

Steve Gerken
Manager of Operations
sgerken@perennialpower.com

Lisa Jacobsen
Manager of Customer Services
ljacobsen@perennialpower.com

Brandon Lehman
Manager of Engineering
Interim General Manager
blehman@perennialpower.com

Mike Haumont
Manager of Finance and Accounting
mhaumont@perennialpower.com

Jeff Burk
Manager of Purchasing and Warehousing
jburk@perennialpower.com