Jeff began investing in 2016 as an angel and scout for Index Ventures. He was a seed investor in Mercury, Lyft, Dapper Labs, Compound Finance, The Graph, Dharma Labs (acq. OpenSea). 

Jeff was previously the VP of Product, Revenue at Tinder. In the role, he led the revenue team to become the #1 top-grossing app in the App Store & Play Store and grew the business from the early days of monetization through IPO ($20M to $1.2B ARR). 

Jeff holds a BA from University of California, Los Angeles and an MBA from The Anderson School of Management at University of California, Los Angeles.

Jamesin joined Chapter One in January 2022 as Head of Data Science. She came into investing through the worlds of anti-spam, online safety, and professional sports betting.

Before joining Chapter One, Jamesin was the tech-lead for platform manipulation at Twitter. She focused on fake account detection, coordinated online harm, and election interference. Career highlights include developing algorithms to combat large-scale spam attacks, leading Twitter’s white hat investigations, and co-leading Twitter’s reporting on malicious automation and foreign interference during the 2016 Election for the Congressional Hearing. Prior to Twitter, she was a professional fantasy sports bettor working under Haralabos Voulgarious, using data and automation to get an edge in the sports betting market. 

She’s a huge Women of the World and Sad Girls Bar fan. Beyond work, Jamesin can be found on the poker tables and participating in a never-ending game of Gloomhaven.

Her writing can be found on her blog https://medium.com/@jseid212.

Jack started his founder journey in 2016 working on Ambo, a mobile wallet to make ERC20 token trading mainstream. Jack and his team were then acquired by MyCrypto in January 2019 where Lipstone became the Director of Business Development.

In May of 2020, Lipstone founded a DeFi protocol called Rari Capital which created a permissionless open interest rate protocol on the Ethereum blockchain and surpassed $1B in total value locked.

Jack has always had a strong passion for investing and is eager to meet founders and share his experiences to like-minded builders in the community who have a passion for improving the financial system and making products accessible to everyone in the world.

Maria is Head of Platform at Chapter One, supporting our founders on their building journey post-investment. She also focuses on diligence within consumer investing.

Prior to Chapter One, she spent the early part of her career in the music industry, investing in artists and managing a portfolio of ~$18M in sales at Capital Music Group. Prior to CMG she was an advisor to the world's fastest vinyl pressing company, Gold Rush Vinyl, and led the Texas Chapter of the Recording Academy (known for the GRAMMYs). Maria also founded a record label earlier in her career, swimming between the lanes of entrepreneurship and venture.

Over time, Maria's passion transcended from helping artists make record-breaking albums, to helping founders build generational companies.

Maria started her academic career at The University of Texas at Austin and holds a BBA in Investment Management from the McCombs School of Business.

​​Doug joined in October 2021 after serving as Chapter One’s “outsourced CFO” since January 2021.

He brings unique insights from four years as an outsourced CFO to numerous PE/VC funds and from more than a decade as an LP and direct investor. Doug supports Chapter One across several key functions, including finance, operations, investor relations, and investing.

Doug was previously an institutional LP and led private equity and venture capital investing at Texas Children’s Hospital, a $2B+ foundation.

Dakota joined Chapter One in 2022 as Director of Finance. Previously, Dakota was Senior Manager of Finance at Tinder, the #1 Top-Grossing app in the App Store and Google Play. He was responsible for managing and forecasting $1.7B of direct revenue across subscription and A La Carte product lines.

Dakota graduated with a B.S. in Business Administration from the University of Southern California’s Marshall School of Business.

Lauren attended the College of Charleston, where she majored in biology and held a finance director position at Charleston Miracle, a non-profit.

Ty has worked for brand design studios, independently, and for fast-growing startups. He has had the opportunity to design the branding for many great startups including Auth0, Loom, Scale, Vercel, and GitLab. Ty also partnered with Google over four years to brand numerous products including Google Maps, Google AI, Google Analytics, Google Fi, and dozens more. Additionally, he has been branded several open-source projects including JWT, Celery, Passport.js, PostHog, and Quiver. His prior editorial illustration clients include Monocle, Wired, Bloomberg, Golf Digest, and ESPN Magazine. A few of his previous freelance clients include Facebook, Target, Chapter One, and Stanford University. As an early employee at Robinhood, his work spanned branding, product design, illustration, and marketing. He has presented at SXSW and his work has been recognized by Communication Arts, the Type Directors Club, and the AIGA. Most recently Ty led an incredibly talented team of Brand Designers, Web Designers, Frontend Engineers, and 3D Artists at Scale. 

Alex joined Chapter One in June 2022 as an intern on the investment team. His varied experience comes from stints across the worlds of finance, energy and economic policy, startups, and AI product. Alex studied economics, computer science and architecture at the University of Chicago.