Brian has been the CEO of SingleSource since the company’s start-up in 2004. He is also a founding member and shareholder. Under Brian’s leadership, SingleSource was honored in 2009 as the Fastest Growing Company in Pittsburgh (Pittsburgh Business Times, Pittsburgh 100), and one of the fastest growing firms in the country (Inc 500 2009, #141 overall and #4 in Real Estate). Brian’s responsibilities include daily oversight of all aspects of the operation, as well as various strategic initiatives with sales and marketing. Brian Cullen graduated from John Carroll University where he received a Bachelor of Science Degree in Business Administration (Marketing). He received his MBA from the University of Pittsburgh, with a concentration in Finance.