Cecilia Stallsmith

Cecilia Stallsmith is a seasoned professional with extensive experience in developer products and ecosystem building. As a Partner and Co-founder at Calyx Consulting since June 2020, Cecilia collaborates with founders and executive teams to launch developer products. Previous roles include serving as Fractional CMO at Prefect, Program Advisor at Heavybit Industries, and Advisor at CodeSandbox. Cecilia held the position of Director of Platform Marketing at Slack from September 2015 to June 2020, where efforts focused on driving developer engagement and partner market success. Other notable experiences include working as an Investor at Bessemer Venture Partners, Platform Product and Ecosystem Manager at Box, and roles in coaching and teaching at Stanford University. Cecilia holds a B.A. in Psychology and English from Stanford University.