Our Experts

Dan Popkin currently serves as sector vice president, global connected supply chain, for Trimble Transportation. Popkin is responsible for overseeing Trimble’s Shipper and Carrier Transportation Management System and Visibility businesses. Popkin is an avid customer and culture champion, and in his previous role, was the driving force behind the adoption of the Trimble MAPS commercial routing, scheduling, visualization, and navigation platform across a broad range of strategic partners and customers globally.

Popkin graduated cum laude from the Walsh School of Foreign Service at Georgetown University.

Shaun Callaghan currently serves as Sector Vice President, Transportation Sales. Callaghan has successfully managed multiple Trimble Transportation Sales teams over the past 19 years, most recently as Vice President Sales, Trimble Enterprise (formerly TMW Systems) where he was responsible for driving the sales strategy and growth of the business while also leading the Enterprise entrance into new markets in ANZA. Prior to joining Trimble, Callaghan's extensive industry experience included being involved in the management of several larger private fleets. Callaghan holds a Bachelor of Commerce degree from the University of KwaZulu Natal in Durban, South Africa and a Certificate of Logistics from the University of Pretoria.