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Charlie Stigler
Co-founder at Speaksage - the AI for leadership development
Charlie Stigler is the Co-founder and CEO of Tenor (formerly known as Speaksage), an AI-driven platform for leadership development.12 Tenor helps managers practice difficult conversations with realistic voice AI characters and provides instant feedback to improve their skills.2
Prior to founding Tenor, Charlie held several notable positions:
- Principal Product Strategist at Workday (2019-2022)1
- Co-founder and CTO of Zaption, an education technology startup acquired by Workday in 20161
- Developer of SelfControl, a popular free and open-source Mac application for blocking distracting websites12
Charlie has a background in product strategy, engineering management, and entrepreneurship. He attended Columbia University but stopped out after one year to join the Thiel Fellowship and work on Zaption.1 He was named in Forbes' 30 Under 30 list for Education in 2016.1
In addition to his work in technology, Charlie is also a sculptural artist, creating monumental steel sculptures and immersive installations.2 He is based in San Francisco, California.1
