Glenn Cookson
Glenn Cookson is founder and chief executive of Apostle, a CRM consultancy for ecommerce brands that Superco has invested in. He is a Klaviyo Community Champion and has spent more than a decade in marketing and client partnerships.
About Glenn
Glenn set up Apostle in August 2025 with Mili Paligoric Garcia. The consultancy builds retention and lifecycle programmes for direct-to-consumer brands, with senior people on every account. In September 2026, a year after launch, Apostle announced that it had become a Klaviyo Platinum Partner.
Before Apostle he spent four and a half years at the ecommerce agency Underground Ecom as head of client and partnerships. He ran its agency and technology partnerships, including Klaviyo. He also ran The DTC Marketing Club, a community and events business for founders of direct-to-consumer brands.
His earlier career was in marketing operations and consulting in Preston and Leyland. He holds a law degree from the University of Lancashire and sits on the advisory board of The Beauty Intelligence Project.
Outside work he is a director of a community interest company that protects Preston's historic buildings. He led the Friends of Tram Bridge campaign, which saved the city's 200-year-old Tram Bridge.
Experience
| Role | Organisation | Years |
|---|---|---|
| Founder and CEO | Apostle | 2025 to present |
| Klaviyo Community Champion | Klaviyo | 2026 to present |
| Advisory board member | The Beauty Intelligence Project | 2026 to present |
| Fractional chief revenue officer | Shaded The Studio | 2025 to 2026 |
| Head of Client and Partnerships | Underground Ecom | 2021 to 2025 |
| Director | The DTC Marketing Club | 2024 to 2025 |
| Marketing consultant | GC Marketing | 2016 to 2023 |
| Head of Regional Marketing Operations | My Planet | 2014 to 2016 |
Expertise
- CRM and lifecycle strategy for direct-to-consumer brands
- Klaviyo email and SMS
- Retention and customer lifetime value
- Agency and technology partnerships
Glenn and Superco
Superco has invested in Apostle, and the two teams work together on email and CRM for Shopify brands. Glenn has also hosted Elevating the Game, an event for ecommerce teams run by Apostle, Superco and Leaf. Read about the partnership, or meet his co-founder Mili Paligoric Garcia.
Talk to Superco and Apostle
Tell us about your store and your CRM, and we will bring in the right people from both teams.