In Chapter 8 of 15 in his 2012 Capture Your Flag interview, community builder and entrepreneur Fabian Pfortmüller answers "What Do You Find Most Rewarding About Collaborating With Others on Projects?" Pfortmüller shares how diverse perspectives make collaboration rewarding. He notes how both senior executive collaboration and volunteer young professional collaboration can both be so valuable educational experiences. Pfortmüller is co-founder of the young leader accelerator, Sandbox Network, and HOLSTEE, an apparel and design firm that sells meaningful products to mindful shoppers. Pfortmüller graduated from Columbia University and its school of General Studies.