Darrell Sims

intra/entrepreneur | published engineer | post-exit gtm exec

Role
Co-founder & CEO at Stealth AI Startup
Location
Houston, TX, US
LinkedIn followers
500 followers
General Business & ManagementView LinkedIn profile

About Darrell Sims

Every career milestone I’ve achieved comes down to a simple approach: listen carefully, solve meaningful problems, and focus on delivering real wins for customers, teams, and the business.I’ve been fortunate to work with great people at fast growing companies where the playbook had yet to be written. At Gentem Health, I had the opportunity to help build a business development engine from the ground up. Through steady effort and continuous learning, we secured key partnerships, including one that contributed to the company’s successful acquisition. Seeing our team drive 6x customer growth was a powerful reminder of what’s possible when strategy and execution align.After the acquisition, I continued the journey at SimplePractice, leading teams across sales and operations to grow a department from zero to millions in arr within a year. It wasn’t flashy. It was focused work, strong collaboration, and a clear understanding of the organizational needs.Before that, I honed my skills at Cleargage and FinThrive, where I learned the value of consistent execution, relationship-building, and being a partner who delivers. From early-stage startups to large-scale healthcare systems, I’ve had the chance to listen to leaders, understand their challenges, and help craft solutions that drive meaningful growth.I don’t believe in quick wins or silver bullets. I believe in building repeatable systems, earning trust, and staying curious. My background is shaped by solving messy and complex problems, particularly in healthcare, and finding practical paths to growth.I’m always open to meaningful conversations, whether it’s exploring opportunities to help drive commercial growth or collaborating on strategic partnerships where I can bring tangible value. My focus stays on collaborating with companies in AI, GTM, health-tech, BPO, and revenue cycle services who are committed to solving real problems and creating long-term wins.If you’re building something ambitious and looking for a partner who blends hands-on operating experience with a growth-focused mindset, I’d be glad to connect.

Experience

  1. Co-founder & CEO

    Stealth AI Startup

    Mar 2025 — Present · Houston, TX, US

Education

  • Southern Methodist University

    Master of Business Administration - MBA

  • Midwestern State University

    Bachelor of Science

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Darrell Sims — Co-founder & CEO at Stealth AI Startup in Houston, TX, US | Unifers