Product Manager at Coinbase

Grant Christensen

Product leader building AI, fintech, crypto, and marketplace products

Product leader with a track record of scaling products, launching AI-powered automation, and driving measurable business impact. Experienced across enterprise fintech, crypto onboarding, and 0-to-1 startup building. Combines product strategy, customer empathy, cross-functional leadership, and hands-on technical execution in SQL, web development, automation, and data analysis.

9% → 29%

AI Automation Accuracy

$15M+/mo

Rewards Platform Scale

$253M

Customer Spend Managed

105.5%

Net Revenue Retention

Selected Highlights

Key achievements and career-defining moments.

Built BILL’s first production AI agent

Launched AI-driven auto-categorization improving automation accuracy from 9% to 29%.

Scaled rewards platform to $15M+/month

Led the growth and optimization of BILL’s rewards platform.

Founder of Homebaked marketplace

Designed and built a marketplace platform connecting local bakers with buyers.

Experience

Recent leadership roles across fintech, AI, and crypto.

Coinbase logo

Product Manager

Coinbase · Coinbase Business

Current

Leading onboarding product initiatives for Coinbase Business.

  • Own onboarding product work focused on reducing follow-up rates and improving customer conversion.
  • Driving document validation and automation systems to reduce manual onboarding review.
  • Analyzing onboarding email follow-ups to identify friction points and prioritize automation opportunities.
BILL logo

Staff Product Manager

BILL · Touchless Transactions

Led AI-driven financial automation initiatives.

9%29%Automation Accuracy
36%52%Fully Automated Transactions
  • Built BILL’s first production AI agent for transaction auto-categorization.
  • Raised automation accuracy from 9% to 29%.
  • Designed offline and online evaluation pipelines for precision and coverage.
  • Improved fully automated transactions from 36% to 52%.
BILL logo

Senior Product Manager

BILL · Rewards

Scaled BILL’s Rewards platform and improved economics and experience.

  • Scaled rewards platform to $15M+ per month.
  • Increased retention of spend by 11%.
  • Reduced reward payout costs by 5% saving $350K annually.
  • Redesigned redemption experience saving $1.2M annually.

Projects

Products I've built from the ground up.

Featured Project

Homebaked

Marketplace Startup · Founder / Builder

Marketplace connecting local bakers with buyers.

Tech Stack

Next.jsSupabaseStripeMapboxReact Native

Key Features

  • Seller storefronts
  • Buyer ordering
  • Messaging
  • Gamification
  • Seller payouts

Responsibilities

  • Product strategy
  • Full-stack development
  • Database design
  • Payments and payouts

Skills & Tools

Core competencies and the tools I work with daily.

Product & Leadership

Product strategy9/10
Roadmap prioritization9/10
Cross-functional leadership9/10
Experimentation8/10

Technical

SQL9/10
Data analysis9/10
Prompt engineering8/10
Next.js8/10
Supabase8/10
API integrations8/10

Tools & Platforms

Product

JIRAProductboardNotion

Engineering

SupabaseStripeMapboxTwilio

Analytics

SQLTableauExcel

Let's Connect

Interested in working together or just want to say hello? I'm always open to conversations about product, building, and new opportunities.