Mark Frichtl

Co-Founder and Chief Technology Officer Ouster

Last Reviewed: September 25, 2026

Executive Summary

Mark Frichtl is co-founder and Chief Technology Officer of Ouster, the San Francisco maker of high-resolution digital lidar sensors, and has held the CTO role since the company was founded in June 2015. Ouster went public in 2021 through a merger with the special-purpose acquisition company Colonnade Acquisition Corp., and its shares now trade on the Nasdaq Global Select Market. In 2023 it merged with Velodyne Lidar, and in February 2026 it bought Stereolabs, a maker of AI camera vision systems. Frichtl is one of the company’s named executive officers. He came to Ouster from engineering roles at Quanergy and at Apple, and he trained in physics and mechanical engineering at Stanford.

Career Highlights

• Co-founded Ouster in June 2015 and has served as its Chief Technology Officer since then.
• Listed among Ouster’s executive officers in its April 2026 proxy statement and named as one of its three named executive officers for 2025, with the CEO and CFO.
• Still reported to the SEC as Chief Technology Officer in a Form 4 filed in September 2026.
• Engineer at Quanergy, July 2013 to April 2015.
• Technologies Development Engineer at Apple, April to May 2015.
• Holds a BS in engineering physics and an MS in mechanical engineering from Stanford University.

Professional Journey

Frichtl studied at Stanford University, where he earned a Bachelor of Science in engineering physics and a Master of Science in mechanical engineering. In July 2013 he joined Quanergy as an engineer. He stayed nearly two years. In April 2015 he moved briefly to Apple as a Technologies Development Engineer.

In June 2015 he co-founded Ouster with Angus Pacala, who is now its CEO, and took the Chief Technology Officer role, which he still holds. Ouster designs and makes digital lidar sensors that give 3D vision to machinery, vehicles, robots and fixed infrastructure. The company went public in March 2021 by combining with Colonnade Acquisition Corp., a Cayman Islands blank-check company that then became Ouster, Inc., a Delaware corporation. In February 2023 Ouster completed a merger with Velodyne Lidar, which added Velodyne’s scanning sensors to its range. In October 2021 it had acquired Sense Photonics, a solid-state flash lidar developer whose technology supports Ouster’s DF sensor. On 4 February 2026 it acquired Stereolabs SAS, adding AI camera vision and perception products.

Ouster’s annual report for 2025 shows total revenue of $169.4 million, up from $111.1 million in 2024. The 2025 figure includes $22.8 million of royalties. In the company’s 2025 compensation disclosure, Frichtl is one of three named executive officers, with CEO Angus Pacala and CFO Kenneth Gianella.

Education

Stanford University

Bachelor of Science, Engineering Physics

Stanford University

Master of Science, Mechanical Engineering