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Alexa Dennett

Alexa Dennett

Marketing & Communications leader in climate and deep tech

San Francisco, California, United States
Joined June 2025

Network

2.8K connections
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Google Alphabet Ecosystem
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Marketing Comms Leaders
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Heirloom Climate Tech
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Product AI Leaders
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Dropbox Alumni
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Innovation Endeavors VC
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OpenAI Anthropic AI

Summary

Alexa Dennett is a seasoned marketing and communications executive with extensive experience in leading brand and go-to-market strategies for high-growth technology companies. Her expertise spans across venture capital, direct air capture, drone delivery, and other deep technology sectors, demonstrating her ability to craft impactful narratives and drive market presence for innovative products. innovationendeavors+4
Her career highlights a strong focus on climate technology, having served as VP, Head of Marketing and Communications at Heirloom, a direct air capture company, and as an advisor for Ebb Carbon and Manna Drone Delivery. She is actively involved in promoting solutions for climate change, advocating for the scaling of carbon removal technologies and innovative climate solutions. climatebase+2
Before transitioning into marketing and communications leadership, Alexa began her career with a legal foundation as an attorney at King & Wood Mallesons and gained strategic insights as a Management Consultant at Pacific Strategy Partners. This diverse background, coupled with her education in law and marketing from the University of Sydney and executive education from Harvard Business School, underpins her comprehensive approach to business and technology. innovationendeavors+1
Alexa has held significant roles at prominent technology companies including Google (Wing, Google X) and Dropbox, where she contributed to groundbreaking projects like drone delivery and deep technology initiatives. Her experience at Wing specifically involved shaping public understanding and engagement with drone technology, contributing to its regulatory acceptance and broader accessibility. innovationendeavors+2

Work

Education

Notes

KPKieran Phillipssaid
ADAlexa Dennett
has helped founders succeed in ways that really stand out to them.

Feb 25, 2026