Jack Lazar has over 30 years of experience in Silicon Valley with a focus on finance and operations. He has served in executive leadership roles at GoPro, Qualcomm, Atheros, NetRatings, Apptitude, and Electronics for Imaging. He was part of teams that took four of these companies public and chief financial officer for three of the initial public offerings (IPOs). In his operating and board of director roles, Jack has been part of over $30 billion in mergers and acquisitions, divestiture, equity, and spin and debt transactions and has completed five additional IPOs as a board member and been part of a successful activist defense.

Jack is currently on the boards of Box (BOX), GlobalFoundries (GFS), Resideo (REZI), and thredUP (TDUP). He also consults with a variety of private companies, including Tonal where he is chair of the board. While serving on the boards of Casper Sleep, GlobalFoundries, Quantenna Communications, thredUP, and TubeMogul, each successfully completed its IPO. He was previously on the boards of several companies who were acquired including TubeMogul (sold to Adobe in 2016), Eero (sold to Amazon in March 2019), Quantenna (sold to ON Semiconductor in 2019), Mellanox (sold to NVIDIA in 2020), Casper Sleep (sold to Durational Capital Management in 2022), and Tile (sold to Life360 in 2021). He served for nine years on the board of Silicon Labs (SLAB) during which the directors split the company and sold its infrastructure and automotive business to Skyworks for $2.75 billion and its market capitalization increased over 400 percent. In 2021, Jack was part of Box's successful activism defense against Starboard Value. He was an advisor to Silver Peak Systems (sold to HPE) and Luxtera (sold to Cisco in 2019). Jack also serves as an advisor to Boston Consulting Group, Druva, and Form Energy in addition to being on the advisory boards for the Accounting and Finance Departments at Santa Clara University.

He earned a Bachelor of Science with an emphasis in accounting from Santa Clara University (1987) and has been certified as a public accountant. He was named an NACD Top 100 Director in 2022 and CFO of the Year by the Silicon Valley Business Journal in 2008.