Sam Ellner
Designer for regulated, high-stakes financial products — over a decade of experience, from early-stage startups to institutional trading platforms.
Recent Work
I designed Gemini's onboarding for international crypto derivatives traders, from account creation to first trade.
Zero to One · Crypto
I redesigned Gemini's trading interface to support derivatives: leverage, margin, and position management.
Zero to One · Crypto
I designed the developer platform that turns Hello Moon's on-chain Solana data into no-code queries.
Zero to One · Crypto
Zero to One · Crypto
I founded Hansel, a micro-investing app for first-time crypto buyers.
I designed Policygenius' customer dashboard, a single hub for tracking your insurance applications and discovering new products.
Zero to One · Insurance
Experience
Balyasny Asset Management – UX Design Lead
August 2023 - Present
Hello Moon – Staff Product Designer
May 2022 – June 2023
Gemini – Senior Product Designer
May 2021 – April 2022
Policygenius – Senior Product Designer
April 2019 – April 2021
HuffPost – Product Designer
June 2015 – April 2019
Hansel Invest – CEO, Co-Founder
September 2017 – November 2019