Startups & Investments
18+ years of founding companies, advising startups, and making angel investments in technology.
Startups I've Built
From microblogging to blockchain infrastructure, each venture shaped my understanding of building technology companies.
Neul Labs: High-Performance AI Agent Infrastructure in Rust
Neul Labs builds the production runtime, safety, and observability layer for AI agents. Rust-native. Open source at github.com/sarkar-dipankar.
Boom Labs: Bridging Web2 and Web3 Through Multi-Chain API
Boom Labs developed innovative blockchain infrastructure including MPC wallet technology and multi-chain API solutions, securing $2.5M in pre-product commitments and partnerships with public companies.
ExpressMOJO: Innovation in Indian Technology
ExpressMOJO operated from 2017-2019 in New Delhi, India, focusing on technological innovation and market development in the Indian startup ecosystem.
Leena.ai: Early Advisor & Angel Investor
Leena.ai (YC W18) is one of my most successful advisory and investment relationships. Enterprise HR AI, $30M Series B, acquired growth.
Octo.ai: Pioneering Open Source Machine Learning Analytics
Octo.ai developed an Apache 2.0 licensed analytics hypervisor for Machine Learning, securing seed funding and recognition as a top 10 promising Delhi startup.
Jaja.tv: Pioneering Second-Screen Interactive Platform
Jaja.tv was an early innovator in second-screen technology, developing interactive platforms for TV engagement and conversation using cutting-edge web and mobile technologies.
Kwippy: India's First IM-Integrated Microblogging Platform (30,000 Users, Acquired)
Kwippy was India's first IM-integrated microblogging platform — 30,000+ active users, top 5 micro-blogging sites, acquired. The full story of the product, the pivot, and the exit.
Angel Investments & Advisory
Companies where I've contributed capital, mentorship, or strategic guidance.
BreadnPulp: Early Innovation in Cloud Kitchen Model
Mentorship and stakeholder role in BreadnPulp, an early experimenter in the cloud kitchen model for food delivery services in Mumbai.
Leena.ai Advisory Role: From ChaterOn to YC Success
Advisory role at Leena.ai (formerly ChaterOn), contributing to their journey from early-stage chatbot company through Oracle Bootcamp to Y Combinator success.