Callum Miller
Chief Operating Officer
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolCallum Miller is an operator-founder with nine years’ experience building mission-driven products and teams at the intersection of sustainability, technology and commerce. As CEO & Co-Founder of ethy and now COO at Ecolyptus, he has helped hundreds of UK brands translate environmental commitments into credible marketing, user-facing apps and measurable ROI. His background spans analytics and consulting roles in rail and tech, plus early frontline experience in emergency care and events—giving him a practical, systems-oriented approach to problem solving. Based in London, he combines product-led growth instincts with a talent for turning lessons into polished outputs (and the occasional creative chaos noted in his GitHub bio). Colleagues describe him as a founder who pairs strategic vision with hands-on delivery across operations, partnerships and consumer product.
9 years of coding experience
A Levels, History, Biology, Photograpahy, A Levels, History, Biology, Photograpahy at Alexandra Park Sixth Form CentreBachelor's degree, History, Bachelor's degree, History at University of PortsmouthBachelor's degree, Paramedic Science, Bachelor's degree, Paramedic Science at Oxford Brookes University
Github Skills (9)
js8
php8
css8
database8
sql8
admin7
laravel7
html7
dashboard6
Programming languages (1)
Github contributions (5)
Ethredah/Ethredah.github.io
Apr 2018 - Sep 2022
Contributions:6 PRs, 6 pushes, 2 branches in 4 years 5 months
Ethredah/PHP-Blog-Admin
Aug 2018 - Aug 2018
A PHP Admin Dashboard / Website (with blog section)
Contributions:7 commits, 10 pushes, 1 branch in 1 day
jsadminphp-admincssphp
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