
Before Tallvine Partners, Thomas Lefebvre ran a software company and served in the French Navy Commandos. His next chapter runs through airport ramps, working harbors, and the companies that keep commerce moving.

A marine biologist followed one strange patch of seawall into a new kind of infrastructure. Now Ido Sella wants every port, breakwater and cable bed to leave room for life.
Ports and coastal cities already have to pour concrete. ECOncrete charges a premium to make that concrete useful to oysters, fish and engineers - then argues the habitat can pay for itself in permits, durability and avoided mitigation costs.