645 Founder Hub

645 Ventures · Portfolio Resource

Founder Hub

Welcome to the 645 Founder Hub. We're thrilled to partner with you and look forward to supporting your company's journey ahead. Find key contacts, playbooks, and tools to help you reach your next critical milestones.

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Dedicated support across the key functions that drive your company forward.

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Knowledge Base

📚 Founder Playbooks

Tactical guides built from our experience working with hundreds of founders.

Strategic Workforce Realignment: Best Practices for Responsible Reductions

Business Strategy

Before the First Sales Call

Capital Structure & Financing Options

Negotiating Price & Value

Sourcing and Outreach Best Practices

Talent & Hiring

Financial Reporting Best Practices

Early-Stage Finance: Core Tech Stack

How To Build Your First Board Deck

Business Strategy

Cash Flow Management

How to Write a Monthly Investor Update

Business Strategy

Making Your First Finance Hire

Fundraising & Investor Relations

Path to Product Market Fit Framework

Pricing Strategies

TAM Analysis for Early-Stage Founders

Sales Compensation

Making Your First Sales Hire

Top-of-Funnel Sales

Inorganic Growth: A Tactical Playbook for Value-Driven Acquisitions

Business Strategy

Creating the Right Tech Stack

Building a Financial Model

How to Run an Effective Sales Call

Lead Generation 101

Creating a Repeatable Sales Playbook

Onboarding your First Sales Hire

Sales Call Follow-up

Problem x Customer

Business Strategy

Intro to Research

Business Strategy