Pat Cullen

Scaled Carrot from $100k to $100M, Angel Investor, Advisor

As a seasoned technology leader, I am committed to empowering teams by equipping them with the necessary context and guidance to excel. My expertise in transforming complex engineering challenges into innovative solutions is not just about strategy; I actively engage in the trenches alongside my team. This hands-on approach, combined with providing strategic direction, has been instrumental in significant product developments and process improvements.

Pat Cullen



  • Carrot Fertility

    Carrot Fertility

    Senior Vice President of Engineering

    Aug 2022 - Present

    A Global Fertility Benefit Platform for companies, health plans, and more.

    • Drove the growth of Carrot Engineering from 3 employees to over 60 while supporting company growth to over 400 employees
    • Spearheaded Engineering, Information Security, Data Privacy, Product, Program Management, and Data functions
    • Launched and maintained several new product lines including the Carrot Card via modular, extensible benefit design available in over 100 countries
    • Fostered a culture of career growth and feedback leading to several internal promotions to key leadership roles
    • Successfully moved the company through various audit and compliance frameworks including HITRUST, PCI, AML, and SOC2
  • Commercehub


    Senior Manager, Software Engineering

    Aug 2017 - Mar 2018

    CommerceHub is a cloud-based e-commerce fulfillment and marketing software company that provides retailers, brands, and suppliers with solutions to increase sales and improve efficiency across online marketplaces, marketing channels, and supply chains.

    • Led a 40+ engineering team, driving over 80% of the business's revenue
    • Played a vital role in the business transition to a microservice-oriented architecture by moving from on-prem to cloud
    • Led SOX audit effort to enable CommerceHub IPO spinoff

    Head of Engineering, Co-founder

    Jan 2012 - Mar 2014

    A team-oriented social network and tournament generation platform to support the AAU basketball community.

    • Co-founded Hoopdog, taking it from concept to revenue generation
    • Designed the initial prototype and evolved it into a working system
    • Hired and mentored interns, who have since grown into staff-level engineers
  • Emerson


    Software Engineer

    Feb 2011 - Jan 2012

    • Key contributor on a platform to help reduce likelihood of blackouts in power systems. Building big data before it was well known!!
  • Blue Slate, An Exl Company

    Blue Slate, An Exl Company

    Information Systems Analyst

    Jun 2009 - Jan 2011

    • Implemented several complex project for clients using Java, Python

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