The text 'Johns Hopkins University' written on a glass door, with students working on the desks behind the doors in the background.

Six individuals with ties to the Whiting School of Engineering have been named to the 2021 Forbes 30 Under 30 list, an annual celebration of young entrepreneurs, investors, and industry leaders. A total of 11 individuals with ties to Johns Hopkins were named to this year’s list.

2021 Forbes 30 Under 30: Hopkins Engineers

This year, Johns Hopkins Engineering alumni were named to the lists honoring achievement in Retail and Ecommerce and Healthcare.

The honorees with ties to Johns Hopkins Engineering are:


Designed by Hopkins students Allysa Ditmar, Aaron Hsu, Inez Lam (engineering), and Elyse Heob (who at 31 is ineligible for the list), ClearMask has a transparent mask that increases accessibility for deaf patients who previously were unable to read lips or expressions of masked doctors and surgeons. The company has sold more than 12 million masks since going on the market earlier this year.

Erika Moore

A 2013 graduate of Johns Hopkins, Moore is now an assistant professor at the University of Florida. There, she researches how immune cells can be used to combat lupus, which disproportionately affects Black women and can lead to cardiovascular complications and death.

Joshua Yang

Yang, a doctoral candidate in the Johns Hopkins School of Medicine, used his research in kidney injury prediction to form his startup Nephrosant, which develops non-invasive tools to measure kidney injuries.

Marigold Health

Shrenik Jain, who attended Hopkins from 2014 to 2016, and Ravi Shah, who received a Master's of Engineering Management in Computer Science in 2016, formed Marigold Health to supplement the availability of mental health support for those in crisis. The company provides 24/7 peer support through the use of AI technology for individuals with mental health and substance use disorders.

Wei-Hsi "Ariel" Yeh

Yeh, who received a degree in chemical and biomolecular engineering from Hopkins in 2014, currently works at genome editing startup Prime Medicine. There, she develops patents for devices that help cure disease through rewriting DNA.