5x founder

Grace Sai

Unravel Carbon (YC W22) | IMAGINE Leader

Co-founder

2025Unreasonable Fellow· Unreasonable

Founder · since 2008

Company

Unreasonable

Role

Unreasonable Fellow

current

Stage

—

no public source

Raised

—

no public source

Based

Global

current

Founder / co-founder — the company's markEmployee / research role

Profile coverage5 of 7 · missing posts, contact

Unravel Carbon

Enterprise software for companies to track & reduce their carbon…

Experience

Career

Unravel Carbon
Co-founder
Co-Founder & CEO · San Francisco Bay Area · 2022 – Present
2022
Saïd Business School, University of Oxford
Advisory Board, Skoll Center for Social Entrepreneurship · Oxford, England, United Kingdom · 2025 – Present
2025
Unreasonable
Unreasonable Fellow · Global · 2025 – Present
2025
Kauffman Fellows
Founder
Kauffman Fellow (Managing Partner, Found Ventures) · Singapore · 2016 – Present
2016
INSEAD
Entrepreneur-in-Residence · Singapore campus · 2013 – Present
2013
Ravel Innovation
Founder
Founder and CEO (Acquired by Dalberg) · Singapore · 2019 – 2022
2019
Impact Hub Network
Co-founder
Co-Founder & CEO (Acquired) · Singapore · 2012 – 2019
2012
Ben & Jerry's
Fairness Advisory Board · Singapore · 2012 – 2018
2012
(MaGIC) Malaysian Global Innovation & Creativity Centre
Advisor & Director · 2014 – 2015
2014
Toniic LLC
Head, Singapore · Singapore · 2014
2014
Books for Hope
Founder
Founder · 2008 – 2012
2008
Nanyang Technological University
Nanyang Technopreneurship Center · 2010 – 2011
2010
Skoll Foundation
Consultant · 2010
2010
Said Business School
MBA, Co-Chair of Social Entrepreneurship Oxford Business Network, Skoll Scholar · 2009 – 2010
2009

Founder (exited), turned VC (Kauffman Fellow), turned ClimateTech founder (YCW22). Oxford MBA, INSEAD; based in Singapore.