Josh is an entrepreneur, marketing leader and teacher driven by the transformative experience he had at McDonogh School in Baltimore. In his entrepreneurial work, he founded JDI and leads the firm today as CEO. It is an integrated marketing firm that helps make precedent-setting science and emerging tech companies well known and understood. At JDI he is currently leading a team to create a new community called Penrose. They are convening 150 of the most consequential people in the science world — researchers, inventors, funders, nonprofit and government leaders, entrepreneurs, executives, and storytellers. The goal: to be with each other at the edge of our thinking, against a backdrop of wicked interdisciplinary problems.

Along the way he has also co-founded Litmus Health (infrastructure for real-world evidence), The Daily Dot (the internet's hometown newspaper), Culturati (the leading conference and community of company culture leaders) and New Civic (a project to catalyze American civic and philanthropic engagement). He is a co-owner of the science magazine Nautilus and proudly serves on its Board. His nonprofit and education work is extensive. He is the outgoing Board Chair of DivInc. He was an Advisor to Mayor Steve Adler for all 8 years of his time in office. He teaches part-time in the MBA in Entrepreneurship program at the Acton School of Business. He serves on the McDonogh School Board of Trustees.