Serg Zhelezniak is an experienced finance and operations professional currently serving as the Head of Finance and Operations at Harness since September 2024. Previously, Serg held the position of Fractional CFO at Pilot.com from 2021 to October 2024 and worked in TMT Investment Banking at GCA from 2019 to 2021, providing M&A and private capital advisory services across various technology sectors. Serg's earlier roles include investment banking at ButcherJoseph & Co., data analytics at IQVIA, product management at Billtrust focusing on financial analysis, and teaching as a Calculus Instructor at Tutor.com. Serg's academic background includes a Bachelor of Science in Engineering from Princeton University and further education at the University of Oxford.