I'm a Fortune 100 executive, entrepreneur, and fractional CXO with 20+ years of cross-industry leadership spanning AI, SaaS, eCommerce, telecom, mobile apps, InsurTech, energy, and digital marketing. I excel at turning emerging technologies into measurable operational, revenue, and CX gains while blending strategic vision with hands-on execution. I've built multiple technology companies, led global product monetization, and partnered with startups to drive enterprise-scale digital evolution. My approach combines go-to-market strategy, AI adoption, customer experience design, and high-performance organizational leadership to accelerate growth and improve efficiency.…

David R Brennan

I'm a Fortune 100 executive, entrepreneur, and fractional CXO with 20+ years of cross-industry leadership spanning AI, SaaS, eCommerce, telecom, mobile apps, InsurTech, energy, and digital marketing. I excel at turning emerging technologies into measurable operational, revenue, and CX gains while blending strategic vision with hands-on execution. I've built multiple technology companies, led global product monetization, and partnered with startups to drive enterprise-scale digital evolution. My approach combines go-to-market strategy, AI adoption, customer experience design, and high-performance organizational leadership to accelerate growth and improve efficiency.…

Available to hire

I’m a Fortune 100 executive, entrepreneur, and fractional CXO with 20+ years of cross-industry leadership spanning AI, SaaS, eCommerce, telecom, mobile apps, InsurTech, energy, and digital marketing. I excel at turning emerging technologies into measurable operational, revenue, and CX gains while blending strategic vision with hands-on execution.

I’ve built multiple technology companies, led global product monetization, and partnered with startups to drive enterprise-scale digital evolution. My approach combines go-to-market strategy, AI adoption, customer experience design, and high-performance organizational leadership to accelerate growth and improve efficiency.

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Language

English
Fluent

Work Experience

Fractional CXO at Independent Consultant / Self-employed
August 1, 2018 - Present
Strategic adviser to startups, SMBs, and enterprise clients; designed GTM strategies; led AI adoption and digital transformation initiatives; improved CX, operational efficiency, and performance metrics.
CEO & Founder at H9AI
December 1, 2022 - December 1, 2025
Founded and led an AI technology solutions company delivering enterprise-grade AI tools, SaaS products, and transformation strategies for SMBs and enterprise teams. Defined brand positioning, GTM strategy, and developed roadmaps and partnerships.
VP of Ecommerce / Senior Director, Digital at T-Mobile (Metro PCS Brand)
August 1, 2011 - April 1, 2018
Directed eCommerce, technical, and care teams for a $3B+ online channel; led digital growth, customer experience (CX), and online acquisition initiatives; achieved significant efficiency and growth gains.
VP of Ecommerce Marketing & Sales at QuikOffice (Acquired by Google)
May 1, 2007 - August 1, 2011
Led marketing, sales, and eBusiness for a mobile productivity app; scaled from zero revenue to a top business app on iOS/Android; delivered 278% CAGR; launched pricing and testing; contributed to Google acquisition.
Founder, CEO at 360 Media Corporation
October 1, 2002 - May 1, 2007
Drove brand positioning, growth strategy, and digital marketing; launched Texas's first online energy comparison platform; achieved 87% CAGR over five years.
Founder, CEO at Broad Vision Data Systems
July 1, 2003 - May 1, 2006
Set product innovation strategy for B2B SaaS in an insurance valuation platform; real-time valuation; generated $25M+ in purchase orders from top carriers; filed 22 patent-pending solutions.

Education

Master of Science (MS) at University of Texas at Dallas
January 11, 2030 - January 10, 2026
Bachelor of Science (BS) at University of Texas at Dallas
January 11, 2030 - January 10, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Telecommunications, Retail