Stefan Beeli
Stefan BeeliCEO
Stefan Beeli joined ESP Computer Services in 1984 as a part-time computer operator while completing his B.S. in Computer Science. After graduation, he spent the next few years developing online programs and focusing on the technologies offered by the Internet. In 1997 he led ESP’s development efforts in…
Joe Hamby
Joe HambyCTO
Joe Hamby started working for ESP in November of 1997 as a Warehouse and Distribution Clerk. Being curious as to how all things worked, Joe was able to move around the Operations Department over the following years. He served as Lettershop Operator, Production Operator, Operations Assistant Supervisor…
Jack Miller
Jack Miller graduated with a bachelor’s degree in mathematics from the University of Washington in 1962. He served in the US Army for 8 years, including a one-year stint in Vietnam, attaining a rank of major in the signal corps….


Al Bull
Al BullDirector of List Services, Midwest General Mgr
Al Bull has spent more than 35 years working in the data processing aspect of the publisher services industry. His first 25 years were spent with Kable News Company and Kable Fulfillment Services. During his career at Kable, Al worked on both the Newstand and Subscription Fulfillment systems. Al managed the…
Tammy Veenis
Tammy VeenisDirector of Client Services
Tammy graduated with a B.A. in Psychology from UCLA in 1995 and started working at ESP in September of that year as their first Account Executive. In addition to providing friendly service to her clients, she had responsibilities in various departments including new client marketing, creating letter-shop templates for mailings and warehouse organization….


Juanita Barnes-BurtonCustomer Service Manager
Juanita Barnes came to the customer service department at ESP in late 2002. Prior to that she handled Customer Service for Allan Reed’s Distribution Service, a hand delivery service for some of ESP’s daily publishing clients. In 2005, Juanita became the Customer Service Manager where she oversees both phone and email customer service.
Illescas MitchellOrder Entry Manager
Illescas Downs Mitchell joined ESP in 2003 as an Order Entry Clerk. It wasn’t long before she was put in charge of group processing and special order entry tasks. In 2005 she was made a Supervisor, and in 2008, she became the Manager of the department in which she started.
Steven AcostaLettershop Manager
Steven began his career at ESP as a Customer Service Rep in 2001. In 2013 he became a part of the Lettershop team, where he was responsible for folding, inserting, and metering mail. In 2018 he became the Supervisor for the department, overseeing a team of 4 Lettershop employees. In early 2019, Steven was promoted to the position of Lettershop Manager, where he now oversees printing, mailing, form and envelope inventory.
Christopher Barnes-BaxterConversion Manager/Account Executive
Christopher’s ESP career spans 10 years and multiple departments: Order Entry, Customer Service, Operations, and finally Client Service. Christopher has served as an Account Executive since 2011. Additionally, in 2014, he took on the role of…
Ken BachWarehouse Manager
Ken has 25 years of warehouse experience. He uses his knowledge of FedEx, UPS, USPS and other shipping vendors to minimize costs for clients and customers. His priorities include warehouse safety, quality control, efficiency and productivity.


Carshon Engelbarts
Mary Gittleson
Bandy Langton
Rachel Quintanilla
Karla Quiroz
Melissa Short