Robert Blelloch: Teacher, Doctor, Scientist

Associate Professor, Department of Urology, University of California, San Francisco. Age: 45

Written byJef Akst
| 3 min read

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Robert Blelloch started his career as a high school teacher, but quickly identified two problems with that path: it was repetitive, and the curriculum was oversimplified, he says. “I was reading the textbook and knew it was not quite right.”

So he went to grad school, studying organogenesis of C. elegans gonads and earning his MD/PhD from the University of Wisconsin–Madison. Blelloch watched—day and night—as the cells of developing worms migrated through their bodies, observing what went wrong when certain genes were knocked out. He learned, for example, that the distal tip cells of worms carrying gon1, a mutation in a matrix metalloprotease gene, failed to migrate properly in the gonad, resulting in a misshapen organ. His research made the cover of Nature in June ...

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  • Jef (an unusual nickname for Jennifer) got her master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses. After four years of diving off the Gulf Coast of Tampa and performing behavioral experiments at the Tennessee Aquarium in Chattanooga, she left research to pursue a career in science writing. As The Scientist's managing editor, Jef edited features and oversaw the production of the TS Digest and quarterly print magazine. In 2022, her feature on uterus transplantation earned first place in the trade category of the Awards for Excellence in Health Care Journalism. She is a member of the National Association of Science Writers.

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