Startup Consultant & Angel Investor

I help founders build and scale technology companies.

17+ years founding startups, advising early-stage companies, and investing as an angel. Practical guidance grounded in real operational experience.

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5 Startups Founded Westerwelle Fellow Early Investor in Leena.ai (YC)
Dipankar Sarkar
17+
Years of Experience
5
Startups Founded
1
Successful Exit
$2.5M
Pre-Product Commitments
What I Do

Areas of Expertise

🧠

AI & Machine Learning

From strategy to deployment. Build vs buy analysis, model selection, ML infrastructure, and AI product roadmapping.

LLM Integration ML Ops AI Strategy
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⛓️

Web3 & Blockchain

Multi-chain architecture, token economics, smart contract strategy, and Web3 go-to-market.

DeFi Smart Contracts Tokenomics
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🏗️

Technical Architecture

System design review, scalability planning, technology selection, and technical debt assessment.

System Design Scalability Tech Stack
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📈

Fundraising & Strategy

Pitch refinement, investor introductions, due diligence preparation, and go-to-market strategy.

Pitch Deck VC Intro GTM
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From the Blog

Latest Insights

Consulting

How I Help Startups Scale: My Consulting Approach

An overview of my startup consulting methodology developed over 17+ years of founding, advising, and investing in technology companies.

· 10 min read
AI/ML Consulting

AI Implementation for Startups: A Practical Guide

A startup consultant's guide to implementing AI and machine learning based on real advisory experience with AI-first companies.

· 9 min read
Web3 Consulting

Web3 Strategy for Founders: Lessons from Building Blockchain Infrastructure

A startup consultant's perspective on Web3 strategy based on founding Boom Labs and advising blockchain startups.

· 7 min read
Investing Consulting

Technical Due Diligence Checklist for Startup Investors

A technology advisor's comprehensive checklist for evaluating startup technical capabilities during investment due diligence.

· 10 min read
Fundraising Consulting

Fundraising Lessons from 17 Years in Startups

A startup consultant's comprehensive perspective on fundraising from both founder and investor sides of the table.

· 9 min read
Technology Consulting

Startup Architecture Patterns That Scale

A technology advisor's comprehensive guide to architectural decisions for startups planning for scale.

· 7 min read
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Proven Results

Case Studies

AI · Investment

Leena.ai Investment Journey

From generic chatbot to YC-backed enterprise AI leader. How early advisory and investment supported a transformative pivot.

Y Combinator
 Web3 · Founded

Boom Labs Web3 Infrastructure

Building multi-chain API infrastructure from zero to market validation with enterprise commitments.

$2.5M

Building something ambitious?

If you're a founder or investor looking for a startup consultant who combines technical depth with operational experience, let's talk.

Schedule a Conversation or email [email protected]