[1] His work embeds "hundreds of little pictures, drawings and images clipped out of magazines, art books and the like"[2] to form tableaux in miniature, which the critic Gilda Williams, writing in Artforum, noted provides viewers "the ability to occupy a divine vantage point while enjoying an overwhelming sense of discovery and wonder".

"[9] In parallel to his studio, Yellin is the Founder and President[10] of Pioneer Works (PW), a non-profit cultural center in Red Hook, Brooklyn, that "builds community through the arts and sciences to create an open and inspired world".

[10] This "cultural hub and classroom, museum, studio, concert venue, rentable event space and more—spread across 24,000 square feet, three sweeping floors and a 20,000 square-foot garden"[11] was established as a 501(c)(3) nonprofit in 2012.

[citation needed] This "incubator where painters rub elbows with physicists"[12] often collaborates with the likes of Google,[13] and "features influential, Nobel Prize–winning scientists discussing some of science’s great answered questions"[14] next to art exhibitions, such as PÒTOPRENS[15] a survey of Haitian art which displayed "numerous monumental figurative sculptures in Pioneer Work’s yawning main space—a vibrant carnivalesque antidote to the classical sculpture courts of western museums".

"[18] This "ready-made artwork, complete with elevators and a viewing platform for visitors, capturing the sheer scale of our energy system"[19] is currently being developed with "architect Bjarke Ingels and Arup, the design and engineering firm".