Rachel Brennan

Rachel Brennan

Editor in Chief & Co-Founder

Rachel Brennan is a seasoned business strategist who has spent 15+ years helping founders turn ideas into scalable companies. After earning her MBA from Stanford GSB, she joined McKinsey & Company as a consultant before co-founding two venture-backed startups — one acquired in 2019. She launched EntrepreneurBytes to share the playbooks she wished she had as a first-time founder.

13
Articles Published
15+ years
Experience
4
Certifications

Credentials & Education

MBA, Stanford Graduate School of Business
Certified Management Consultant (CMC)
Former Partner at McKinsey & Company
Y Combinator Alumni (Batch W15)

Areas of Expertise

Business StrategyStartup FundingGrowth HackingCorporate Development

Articles by Rachel Brennan

Startups11 min

How to Build an Advisory Board for Your Startup

A practical guide to building a startup advisory board — from compensation norms (0.25-1% equity) to structuring meetings and extracting real strategic value.

Startups10 min

Building an MVP: What to Include and What to Skip

How to scope and build a minimum viable product using MoSCoW prioritization, with real MVP examples from Zappos, Dropbox, and Buffer.

Startups10 min

Startup Legal Basics: What You Need Before You Launch

LLC vs C-Corp, state of incorporation, IP protection, essential contracts, and when to hire a lawyer — the legal checklist every founder needs.

Startups10 min

Finding and Working With a Co-Founder: A Practical Guide

Where to find a co-founder, how to evaluate fit, structure equity splits and vesting, and the red flags that signal a partnership will fail.

Startups9 min

How to Write a Pitch Deck That Gets Meetings

The 10-12 slide structure VCs actually want to see, with real examples from Airbnb, Buffer, and Front's pitch decks and common mistakes that kill deals.

Business Growth10 min

How to Validate a Business Idea Before You Quit Your Job

Practical validation methods you can run while employed — from problem interviews and landing page tests to pre-selling and minimum viable experiments.

Business Growth9 min

The Lean Business Plan: A One-Page Alternative to Traditional Planning

How to build a one-page lean business plan using the Business Model Canvas and Lean Canvas, with templates and guidance on when a full plan still matters.

Business Growth10 min

Scaling From Solo to Team: When and How to Make Your First Hire

A practical guide to knowing when you are ready for your first hire, choosing between generalist and specialist, and navigating compensation and legal basics.

Marketing9 min

How to Build a Referral Program That Actually Works

Step-by-step guide to building referral programs that drive growth, with mechanics from Dropbox, PayPal, and Uber plus CAC measurement frameworks.

Marketing10 min

Customer Retention Strategies That Cost Less Than Acquisition

Proven retention strategies that cost 5-25x less than acquiring new customers, with frameworks from Costco, Amazon Prime, and high-retention SaaS companies.

Business Growth10 min

When to Pivot: 7 Signs Your Business Model Needs to Change

Learn the 7 signals that indicate a pivot is needed, with real examples from Slack, Instagram, and YouTube's radical business model shifts.

Business Growth10 min

The First 90 Days After Launching Your Business: What to Focus On

A week-by-week breakdown of where to focus your energy in the critical first 90 days post-launch, with metrics to track and mistakes to avoid.

Business Growth9 min

How to Find Product-Market Fit: A Framework for Early-Stage Startups

A practical framework for measuring and achieving product-market fit, from the Sean Ellis test to Superhuman's engine, with real startup examples.