William Harris

Founder & CEO · Elumynt

Podcast host · Cited in 15 answers

About

William Harris is the Founder and CEO of Elumynt, an award-winning advertising agency specializing in e-commerce growth. He hosts the Up Arrow Podcast, focusing on scaling e-commerce and retail brands from $10M to $100M+.[2][4]

Host of

Top questions William Harris answered

• What's the best customer loyalty through community for ecommerce?
  The strongest consensus is that effective community-building for loyalty is not about transactional points programs, but about fostering a genuine culture of connection. It requires a shift from chas…
• What's the best way to win back at-risk customers before they churn?
  If I were you, I’d first figure out what 'at-risk' even means for your business by calculating your average time between repurchases. Once you know that window, you can build a segment of customers w…
• What's the best way to build a long-term relationship with a top-performing creator?
  The debate comes down to two camps: one treating creators as genuine partners, and the other managing them based on performance metrics. The truth is, you need both. A real relationship built on trus…

Signature topics

• E-commerce scaling — Recognized for strategies helping brands grow from $10M to $100M+.
• Growth marketing — Expert in driving double-digit revenue lifts for SaaS and online retailers.
• Advertising for e-commerce — Leads award-winning agency Elumynt serving high-growth brands.
• SaaS marketing — Built and led marketing teams achieving explosive revenue growth.

Credentials

• PhD in Human Nutrition — University of Minnesota
• Post-doctoral Fellowships in Clinical Nutrition and Lipid Metabolism — Oregon Health Sciences University

Notable achievements

• Grew When I Work revenues by 270% in 7 months
• 13 exits, $800M IPO

Links

LinkedIn · Twitter / X · Wikipedia