Prior to Xoopit, Katzman built and ran Tellme’s directory assistance business, which accounted for nearly half of the company’s revenue. Katzman has also served as an Entrepreneur-in-Residence at Ignition Corporation and worked at Microsoft on the Office and FrontPage teams as a development lead and program manager. Having contributed to three successful startups, Katzman gives back to the entrepreneurial community through both angel investing and advisory work. Katzman earned a B.A. in Computer Science from Harvard University, where he graduated with honors and was elected into Phi Beta Kappa.