Gary Steele is Chief Executive Officer of Shield AI, where he leads the company’s growth in autonomous systems and defense technology. Previously, he served as Cisco’s President of Go-to-Market and led Splunk as President and CEO. He was the founding CEO of Proofpoint and earlier led Portera Systems.
Gary Steele is Chief Executive Officer of Shield AI, where he leads the company’s growth in autonomous systems and defense technology. Previously, he served as Cisco’s President of Go-to-Market and led Splunk as President and CEO. He was the founding CEO of Proofpoint and earlier led Portera Systems.
Career
Gary Steele holds a Bachelor of Science in Computer Science from Washington State University.
Chief Executive Officer at Shield from 2025-05 to PresentPChief Executive Officer at Portera until Present
President, Go-to-Market at Cisco from 2024-05 to 2025-04
Chief Executive Officer at Splunk until 2024
Chief Executive Officer at Proofpoint, Inc. until 2022