Jason Penchoff.

Jason Penchoff

Director of marketing and engagement
The Transmitter

Jason Penchoff is The Transmitter’s director of marketing and engagement. Previously, he was senior director of marketing and communications at Memorial Sloan Kettering Cancer Center, where he focused on content strategy and physician engagement. He has also worked in marketing and audience development at Medscape and The Economist.

Explore more from The Transmitter

Ground squirrel.

How thirteen-lined ground squirrels illuminate retinal development

In most mammalian retinas, rods outnumber cones. But that ratio is flipped in ground squirrels, a quirk that helps Seth Blackshaw explore how retinal cells develop their identities.

By Sarah Thau
31 July 2026 | 5 min read
Research image of the association cortex.

Cortical territories compete in developmental space race

Sensory and association regions are established through a reciprocal process, according to a new model of cortical development.

By Holly Barker
30 July 2026 | 5 min read