Few Techers have contributed to the Institute from as many angles as Stephen Mayo (PhD ’87), Caltech’s Bren Professor of Biology and Chemistry. He has been a student, postdoctoral fellow, faculty member, graduate-option executive officer, vice provost, and division chair. Along the way, he helped to define new areas of biological discovery, developed technology for human health, and served his country as an Obama administration appointee to the National Science Board. We talked to Mayo about a turbulent 2020, career highlights, and his unique view as both a graduate and professional leader at Caltech.
It was certainly a challenging time. In my final months as BBE chair, I oversaw the shutdown of more than 50 labs when local restrictions were imposed, while also addressing the need to keep essential work, such as COVID-19 research, moving forward. After restrictions eased, I helped to ensure that labs reopened in a manner consistent with our COVID-19 protocols, including significantly reduced density of researchers in our buildings.
In my own research, we pivoted our efforts in antibody engineering to COVID-19, working with [Caltech biologist] Pamela Bjorkman [PhD] and Protabit, a Caltech spinout I cofounded a number of years ago. The basic idea is to use computational design to enhance the neutralization potency of anti-SARS-CoV-2 antibodies isolated from recovered COVID-19 patients. With success, we could provide passive immunization at low doses, potentially with an EpiPen-like autoinjector in an outpatient setting.
We’re making progress but still have a way to go. We’ve been fortunate to receive generous support from senior trustee Charlie Trimble [BS ’63, MS ’64].
The overarching goal of the Vaccine Planning Working Group is to ensure that Caltech is fully prepared to receive, store, and administer vaccine to our community. As the only faculty member on the committee, my primary role is providing advice on technical issues. There are lots of logistical challenges, such as coordinating with public health authorities, developing vaccination priority lists, and addressing the cold storage challenge.
I was vice provost during the Great Recession, and we engaged in an assertive technology licensing project that involved filing lawsuits against well-known companies infringing on Caltech/JPL patents covering CMOS [complementary metal-oxide-semiconductor] imaging. We grossed over $100 million in settlements right when the revenue was really useful.
From my time as division chair, I’m really proud of integrating bioengineering into the division and helping to establish the Chen Institute for Neuroscience, the Chen Neuroscience Research Building, and the Merkin Institute for Translational Research.
What I’m most proud of, though, is hiring an amazing group of faculty and helping junior faculty develop into tenured professors with field-leading research programs. At the end of the day, Caltech’s success boils down to having the best and the brightest for everything we do. The Institute’s tradition of hiring great faculty is our seed corn for the future.
I think the Institute works at every level—education, research, administration—to break down obstacles that hold back progress. Caltech’s approach to solving hard problems—an unabashed dose of barrierless, interdisciplinary science and engineering—is what brought me here as a graduate student and brought me back as a faculty member.
As part of the administration, I tried to maintain, and hopefully enhance, the idea that no problem is too hard for Caltech.
The overarching goal of the Vaccine Planning Working Group is to ensure that Caltech is fully prepared to receive, store, and administer vaccines to our community.
I’ve had several opportunities to translate my work into the real world through Caltech spinouts, as both a graduate student and a faculty member. Doing things that have an impact on real people has always been important to me. I’m happy to say that technology from one of my companies is now in two FDA-approved drugs in clinical use.
Caltech is set up nicely to encourage translational work. After all, our mission statement includes working to “benefit society.” In some sense, translation is part of our DNA.
One part of the answer is that we didn’t know enough to believe what we were doing was impossible. Sometimes ignorance is bliss.
The other part is that we were having lots of fun making incremental progress, and we just ignored the naysayers. I had lots of internal moral support from Caltech and super enthusiastic, talented graduate students and postdocs. Of course, competition from other labs working in the same area provided its own flavor of motivation.
Developing computational approaches to directly design enzymes remains a significant unsolved problem, because of the need to include both dynamics and quantum mechanics in the calculations. We’ve done some work with a static snapshot of the calculated transition state of the desired reaction. This works somewhat, but the enzymes aren’t nearly as good as naturally occurring ones. To successfully design enzymes from scratch, it will likely take new scientific insight and technological breakthroughs.
The increase in buildings on campus, including the new Chen Neuroscience Research Building, which is located where I used to park my car. As a graduate student in the late 1980s, I remember looking out the window of Noyes into the giant hole that became the Beckman Institute. Construction has really taken off since then.
Caltech is set up nicely to encourage translational work. After all, our mission statement includes working to 'benefit society.' In some sense, translation is part of our DNA.
My first wish for Caltech, and the rest of the world, is to get back to pre-COVID-19 levels of activity. The social justice movement really blossomed as the pandemic took hold. I certainly hope that we don’t go backward on this, and that Caltech can advance on issues of diversity, equity, and inclusion in a way that maintains and even expands excellence with the same level of commitment and enthusiasm that it has shown for areas of historic success.
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