Headline

Co-Founder @S45 (AI-Native Investment Bank) | IIT Delhi

About

Hey, I’m Aman Singh. I’m building S45, an AI-native financial institution starting with investment bank for the global mid-market. We are rethinking how IPO and M&A transactions are executed by combining capital-markets expertise with AI-native systems. We’re always looking for exceptional people across engineering, product, design, growth, and capital markets operations. If that’s you, message me here or write to aman@s45.ai with the subject: Hiring@S45 | [Role] and links to your best work. Previously: – Skyflow (San Francisco): Chief of Staff; worked directly with the founders on key initiatives. Company has raised $98Mn (most recently from Khosla Ventures). – SayF (Founder): Built during IIT Delhi; scaled to $25Mn in annual GMV, 150,000+ users, CAC ≈ $0.5 per transacting user. Funded by Titan Capital, Sunn91 Ventures, and several unicorn founders. Beliefs • Make decisions quickly; iterate faster. • Prioritize people, it pays off in the long run. • Build with taste, discipline, and ambition. • Always bet on yourself, and never forget your roots. • Life’s too short to work on purposeless things. What excites me • People who want to outlast themselves. • Problems with outsized economic impact. • Building institutions that compound over decades. Backstory & beyond Born in an Indian Army household, I learned to adapt fast and thrive in new environments. Outside work, I enjoy traveling, meeting interesting people, tearing apart long-form essays, and reading non-fiction. Feel free to reach out here or at amankishor119@gmail.com if I can help with anything.

Location

India

AI stack

claude code

claude

xai

ChatGPT

Granola

Work experience

Co-Founder at S45, Jul 2025 - Present · 1 yr 4 mos, India, S45 is building an AI-native investment bank for the global mid-market. We’re redesigning IPO and M&A execution from first principles, using AI to replace fragmented workflows with systems that own outcomes end-to-end. We’re hiring across engineering (full‑stack/ML), product, design, growth, and capital‑markets ops. Email: aman@s45.ai with Subject: Hiring @S45 | <Role> and links to your best work.

Tech, Strategy & Ops at Skyflow, Jun 2024 - Jun 2025 · 1 yr 1 mo, San Francisco Bay Area, Working directly with the founder on driving key initiatives for the company, Chief of Staff to the CTO. We've raised $98M, most recently from Khosla Ventures- and we're just getting started! Skyflow is 17th on Forbes America’s Best Startup Employers of 2025. We're also one of Fast Company's Most Innovative Companies of 2024. Was the first & only generalist hire out of India!

Founder at SayF, Jul 2021 - Mar 2024 · 2 yrs 9 mos, Bangalore Urban, Karnataka, India, We are on a mission to help Indians save, invest & optimise their spendings. We are backed by Titan Capital, Sunn91 Ventures & other industry angels. All things business

Product & Business at LimeChat, May 2021 - Jul 2021 · 3 mos, Bangalore Urban, Karnataka, India, Awarded Pre-Placement Offer (PPO) for exemplary performance during the tenure - Devised a framework on SEO ranking with 6 KPIs to rank in the Top 3 apps on the Shopify Store against the particular keywords - Automated client onboarding process by reducing the time up to 70%; Increased the client conversion rate by 32% Key Learnings: How to get things done in an early stage startup. Thanks to Nikhil & Aniket for believing in me :)

Associate at gradCapital, Oct 2020 - May 2021 · 8 mos, - gradCapital is a pan-India student-driven institution that supports daring student entrepreneurs. - Scouted & worked with startups helping them with GTM, Pitch Deck & Networking Key Learnings: As a student, you can dream to start a company & there are people out there to back you & support your dreams!

Education

Bachelor of Technology - BTech, Indian Institute of Technology, Delhi

Minor Degree, Entrepreneurship/Entrepreneurial Studies, Department of Management Studies, IIT Delhi