Americo Papaleo IT Division Manager Application and Product Delivery Americo Papaleo has over 35 years of service with the County of Fresno Information Technology Services Department (ITSD). Throughout his career, he has held progressive roles including Developer, Applications Analyst, Network Systems Engineer, Manager, and Division Manager, contributing to the county’s technological growth and operational efficiency.
Antoine Grayson IT Division Manager Infrastructure and Operations Antoine J. Grayson is an Information Technology Division Manager with over 20 years of experience in network infrastructure, cybersecurity, and IT operations. He leads enterprise technology initiatives that enhance security, modernize systems, and deliver reliable solutions for Fresno County.
Jennifer Cavalla Business Manager Jennifer Cavalla has over 10 years of service with Fresno County, beginning in the Public Works and Planning Department’s Special Districts Unit. She now serves as Business Office Manager for the Information Technology Services Department, where she oversees budget planning, rate setting, and customer billing to ensure transparent and efficient service to all County departments and partner agencies.
Mike Kerr Director/CIO Department Head Mike Kerr has a distinguished 21-year career in public service. He has earned a Master of Public Administration from the University of Southern California, a Master of Business Administration from California State Polytechnic University, Pomona and has continually maintained his Project Management Professional certification since 2001. He subscribes to an “always be learning” philosophy and completed the County of Ventura’s Leadership Excellence and Action Program, the County of Orange’s “Orange County Leadership Academy” and obtained a Certificate in Leadership from the University of California, Davis.
Roland Olsen IT Division Manager Service Delivery Roland Olsen has over 28 years of service with the County of Fresno Information Technology Services Department (ITSD). Throughout his career, he has held several roles including Network Systems Engineer in Desktop, Deployment, and Systems. He has also managed Desktop, Network, Systems, Radio, Communications, Cybersecurity, Asset Management, and Governance, Risk, and Compliance teams.
See Patterson Program Manager See Patterson started her career at the County of Fresno in 2014 and has been with ITSD since 2018. As the Program Manager over Administration, she oversees the contracts, HR, and miscellaneous administrative functions for the department.
Sheri Walden Assistant Director Over the past 25 years, Sheri Walden has been a part of the IT field in both the public and private sectors. She brings that experience in IT leadership to Fresno County where she helps guide services that keep our community connected, secure, and supported. Alongside her work in IT, she is training to be a chaplain, blending technical expertise with a deep commitment to care and presence. Whether she’s helping teams navigate complex decisions or sitting with people in challenging moments, her focus is on making technology and community work better for everyone.