In 2015 Brian became Lead Attorney on the CARA Family Detention Pro Bono Project, now called the Dilley Pro Bono Project, which represents women and children at the largest immigration detention center in the United States located in Dilley, Texas. He managed the pro bono project for six months before moving on to launch pro bono projects in Georgia with the Southern Poverty Law Center, and now in his home state of Ohio.

He and his work have been featured in The New York Times, The Los Angeles Times, CNN, NPR, and a variety of other media outlets. Brian has appeared on Al Jazeera America, Telemundo, Univision, CNN en Español, and various local TV and radio programs in central Ohio.