Keith Martin

Co-Founder @ Lunar Solar Group | Growth Strategies For Scaling DTC Businesses | Customer acquisition and retention

πŸ“ United StatesπŸ”„ Updated September 2026πŸ’Ό 4 investmentsπŸ“… 6 years investingπŸ—“ Last invested Jan 2022
VC🌍 United States
4
Total investments
4
Early stage
0
Mid stage
0
Late stage
6y
Years active

Portfolio

4 investments Β· sorted by recency
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Late stage
Investor & Advisor
Jan 2022
Stay AI is the subscription management app that helps DTC brands on Shopify supercharge their growth. Elevate your subscription programs with innovative, new-to-market features to optimize for LTV and reduce churn with Stay. πŸš€ Power any time of subscription program β€”Β from trials, to dynamic bundles, to prepaid β€”Β with frictionless subscriber touch points. πŸ“ˆ Boost growth and reduce churn with our proprietary ExperienceEngine, an experience builder delivering rewards and upsells with AI-powered personalization and comprehensive A/B testing. πŸ“‰ Reduce subscriber churn by 30% more than any other available solution with RetentionEngine, which delivers the most advanced passive and active churn reduction tools leveraging proprietary AI to improve outcomes. We offer seamless, white-glove migration so you can make the switch from other subscription apps with ease. Reach out for a personalized demo today, and find out why top brands like Vita Coco, Olipop, Bright Cellars, and hundreds more choose Stay.
Investor & Advisor
Mar 2021
TL;DR: we turn any marketing activation into an in-store purchase aka we help you PUMP units through the register.
Investor & Advisor
2021
Carbon is out, Neutrl is in! Our mission is to empower the everyday person to feel hopeful and engaged about protecting our earth. Thats why we created Neutrl. We partner with retailers online to provide an actionable and easy way for their customers to reduce the carbon footprint of their orders and permanently remove CO2 from our atmosphere. Neutrl is the future of sustainability. Add Neutrl to your Shopify store today! https://apps.shopify.com/neutrl-1
Investor & Advisor (Acquired by WeCommerce)
Jun 2020
πŸ”₯ We help DTC brands unlock a deep understanding of their customers. πŸš€ Post purchase surveys for attribution, CRO, CX, product dev, creative strategy, and more.
Experience Β· 7 entries
All (7)
Investments (4)
Founder (2)
2022
Investor & Advisor
Jan 2022
Stay AI is the subscription management app that helps DTC brands on Shopify supercharge their growth. Elevate your subscription programs with innovative, new-to-market features to optimize for LTV and reduce churn with Stay. πŸš€ Power any time of subscription program β€”Β from trials, to dynamic bundles, to prepaid β€”Β with frictionless subscriber touch points. πŸ“ˆ Boost growth and reduce churn with our proprietary ExperienceEngine, an experience builder delivering rewards and upsells with AI-powered personalization and comprehensive A/B testing. πŸ“‰ Reduce subscriber churn by 30% more than any other available solution with RetentionEngine, which delivers the most advanced passive and active churn reduction tools leveraging proprietary AI to improve outcomes. We offer seamless, white-glove migration so you can make the switch from other subscription apps with ease. Reach out for a personalized demo today, and find out why top brands like Vita Coco, Olipop, Bright Cellars, and hundreds more choose Stay.
2021
Investor & Advisor
Mar 2021
TL;DR: we turn any marketing activation into an in-store purchase aka we help you PUMP units through the register.
Investor & Advisor
2021
Carbon is out, Neutrl is in! Our mission is to empower the everyday person to feel hopeful and engaged about protecting our earth. Thats why we created Neutrl. We partner with retailers online to provide an actionable and easy way for their customers to reduce the carbon footprint of their orders and permanently remove CO2 from our atmosphere. Neutrl is the future of sustainability. Add Neutrl to your Shopify store today! https://apps.shopify.com/neutrl-1
2020
Investor & Advisor (Acquired by WeCommerce)
Jun 2020
πŸ”₯ We help DTC brands unlock a deep understanding of their customers. πŸš€ Post purchase surveys for attribution, CRO, CX, product dev, creative strategy, and more.
2018
Co-Founder
Jan 2018
The Lunar / Solar Group builds superior marketing solutions for brands. We build best-in-class customer acquisition and retention programs by leveraging all available digital channels and pairing them with cutting edge marketing tech stacks tailored for each clients needs. Powered by our experienced team of digital strategist, analysts and designers, we provide simple solutions for your most complex marketing problems.
Show all 7 entries ↓
Investment activity
2020–2022 Β· 4 investments
202012021220221
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