Warren Shaeffer

Partner

2024

Scout

2023 - 2024

Vice President

2021 - 2024

Led initiatives across functions, including Product, Business Development, and Corporate Development.

Angel Track

2022 - 2022

1 of 40 people selected from 1,500+ applicants for First Round's cohort-based investing community.

Co-founder and CEO

2018 - 2021

Acquired by Medium. Knowable invites world-class experts to create actionable audio lessons. As pioneers in the audio-first learning space, we distribute exclusive audio lessons through our proprietary platform. On Knowable you can learn about launching a startup from reddit-founder Alexis Ohanian, speaking with confidence from TED-speaker Celeste Headlee, eating healthier from NBA all-star Chris Paul, and leading with grace from record-holding astronaut Scott Kelly, among much more. Venture-backed by A16Z, Initialized Capital, First Round Capital, and Upfront Ventures.

Co-founder and CEO

2014 - 2018

Acquired by Giphy. Vidme was a video platform that helped independent creators build their audience and earn revenue through tipping and memberships. Vidme was an Alexa 500 website, had over 25M monthly active users, and delivered billions of annual pageviews. Venture-backed by NEA, Upfront Ventures, SV Angel, Mucker, and others.

COO and Co-owner

2013 - 2014

Acquired by Room 214. SocialEngine is a platform for building custom community websites. Over 15,000 brands and affinity groups have already built their own social experiences using the platform. Customers include Apple, NASA, Shell, MasterCard, and EA.

Entrepreneur in Residence

2011 - 2013

Associate

2008 - 2010

Investment Banking Analyst

2007 - 2008

Leveraged Finance - Tech, Media, Telecom group