Phiffer is a software developer and artist. During the day he helps build web software for the ACLU. On nights and weekends he is building a new technology worker cooperative called Smol Data. He draws on many years of working professionally with cultural institutions, most recently at the New Yorker magazine and the Museum of Modern Art. He has consulted for many clients including the Asia Society, the New York Times, the National Museum of American History, and KCET public television. Phiffer's art projects often use computer networks as a raw material, and have been exhibited at the Museum of Modern Art, MoMA PS1, and SFMOMA. He studied computer science at Harvey Mudd College in California, and received his graduate degree from from NYU’s ITP program in New York City. Phiffer lives in Troy, New York, along the Poestenkill creek with his wife Ellie and a stripy cat named Beefra. He was a visiting faculty member at Bennington for Fall 2018.