Lee Roggenkamp

Overview

Lee Roggenkamp serves as Chief Technology Officer at Castellum.AI[1], a position held since May 2026[3]. Roggenkamp is a Lead Software Engineer with 12+ years of development experience, currently focused on AI automation engineering to fully automate compliance[2]. Prior to the CTO role, Roggenkamp held the position of VP of Engineering at Castellum.AI from September 2025 to May 2026[4] and Senior Software Engineer there from September 2023 to September 2025[5]. Earlier career positions include Senior Software Engineer roles at Chronosphere, Coupa Software, Havenly, and Educational Measures, as well as Lead Software Engineer positions at PriceSpider and Coupa Software[6][7][8][9][10]. Roggenkamp's technical expertise spans Go, Python, Typescript, Javascript, Node, React, ElasticSearch, MySQL, and Postgres[2]. Roggenkamp holds a Master of Business Administration from Clemson University (2011–2013) and a Bachelor of Science in Biochemistry with a minor in Business Administration from Clemson University (2007–2011)[11][12].

Career history

1. Chief Technology OfficerMay 2026 to presentCastellum.AI
2. VP of EngineeringSep 2025 to May 2026Castellum.AI
3. Senior Software EngineerSep 2023 to Sep 2025Castellum.AI
4. Senior Software EngineerNov 2021 to Jul 2023Chronosphere
5. Lead Software EngineerNov 2020 to Oct 2021Coupa Software
6. PLead Software EngineerFeb 2019 to Nov 2020PriceSpider
7. HSenior Software EngineerApr 2018 to Feb 2019Havenly
8. EMSenior Software EngineerMar 2017 to Apr 2018Educational Measures

Education

1. CUMasters, Business Administration2011 - 2013Clemson University
2. CUBachelor of Science, Major: Biochemistry Minor: Business Administration2007 - 2011Clemson University