Stefan Bader is the co-founder and CEO of Cello, an all-in-one referral platform for B2B software companies. Previously CRO at Shore. Based in Munich, he has built Cello over 4 years to 250 customers including Miro, Typeform, and Veem, achieving 180% net dollar retention and 10M monthly enabled users.
no scored calls yet — needs a stated position or a categorical verdict, with a matured window vs SPY
AI is causing traditional acquisition channels (SEO, outbound, cold calling) to collapse with CAC payback periods extending to 57 months, while product building barriers drop; Cello's in-product referral platform solves go-to-market efficiency by turning users into a virtual sales army.