
The Chain: Protein Engineering Podcast
The Chain explores the lives, careers, research, and discoveries of protein engineers and scientists, the impact their work is having on the field, and where the industry is headed. Tune in to stay up-to-date on the newest advancements and to hear the stories that are impacting the world of biologics.
Latest episodes

Jun 11, 2025 • 47min
Episode: 74 - Keith Flaherty, President-Elect of AACR, on Public and Private Collabs, AI Optimism, and More
June 10, 2025 | In this bonus episode of The Chain, Daniel Chen, MD, PhD, founder and CEO of Synthetic Design Lab, returns for the Science Commune segment and speaks with Keith Flaherty, MD, FAACR, professor of Medicine of Harvard Medical School and president-elect of AACR. They discuss Flaherty’s prolific career; how his background led him to pursue a career in medicine; how public and private sectors are coming together in oncology around collaborations; reflections on targeted therapies and technologies; optimism around how AI will impact society and the future of medicine positively; and how we need to detect and treat disease early. Links from this episode: PEGS Boston Conference & Expo Engineering Bispecific Antibodies Synthetic Design Lab Harvard Medical School AACR

Jun 10, 2025 • 1h 1min
Episode: 73 - PANEL DISCUSSION: Near-Term Challenges for AI/ML in Biotherapeutic R&D
June 10, 2025 | This episode of The Chain features a panel discussion from May’s PEGS Boston. Moderated by Peter Tessier, Albert M. Mattocks professor of Pharmaceutical Sciences and Chemical Engineering at the University of Michigan, the panelists include Sarel Fleishman, professor of Biomolecular Sciences at the Weizmann Institute of Science; Kadina Johnston, senior specialist of Discovery Biologics at Merck & Co.; Vincent Ling, chief business officer of Morphocell Technologies; Arvind Rajpal, SVP of Xaira; and Max Vasquez, chief computing officer of Adimab. Together they discuss benchmarking AI/ML methods compared to traditional approaches, development of human-relevant training data, identifying and addressing core challenges in de novo designs, and more. Links from this episode: PEGS Boston Conference & Expo Engineering Bispecific Antibodies University of Michigan University of Michigan Chemical Engineering Weizmann Institute of Science Scala Biodesign Merck & Co., Inc. Morphocell Technologies Bill & Melinda Gates Foundation Xaira Adimab LLC

May 13, 2025 • 35min
Episode: 72 - Pamela Barney on HR Lessons to Meet the Needs of Biotech
In this episode of The Chain, host Tariq Ghayur, PhD, Tariq Ghayur Consulting, LLC, talks with Pamela Barney, former associate director of HR, AbbVie, about her career within biotech/pharma organizations and some key lessons learned, such as taking advantage of your contacts and network, managing diverse workforces, and HR’s role in creating an engaged team. Barney also discusses why she entered the HR field and the challenges of culture changes when transitioning from a small organization to a large company. AbbVie: https://www.abbvie.com/

Apr 15, 2025 • 29min
PEGS Young Scientist Keynote Jessica Stark on the Role of Glycans in Cancer Research
In this episode of The Chain, host Brandon DeKosky, associate professor, speaks with MIT colleague Jessica Stark, Underwood-Prescott career development professor, about glycans and why they are important in cancer research. Stark discusses how she became interested in immunology, what her PhD and post-doctoral training was like, her thoughts on singlets operating as part of a network of checkpoint molecules, and what’s currently going on in glycobiology. She also talks about her keynote presentation at PEGS 2025 and what her new lab is working on. LINKS: MIT Department of Chemical Engineering MIT Department of Biological Engineering MIT

Mar 12, 2025 • 50min
Episode: 70 - Views on Machine Learning and AI in the Antibody and Protein Engineering Space
Andreas Plückthun, a leading biochemist at the University of Zurich, shares insights on the role of AI and machine learning in antibody and protein engineering. He discusses the importance of epitope specificity in drug development and the challenges in accessing and curating high-quality data. The conversation also covers advancements in predictive models and the necessity of experimental validation to enhance therapeutic protein design. Plückthun emphasizes the need for integrating diverse data modalities and improving methodologies to overcome existing hurdles in the field.

Feb 21, 2025 • 51min
Episode: 69 - Conversation with Sir Greg Winter on the 50th Anniversary of the Milstein and Köhler Paper
February 21, 2025 | This episode marks the 50th anniversary of one of the most influential papers in biomedical science—the 1975 Milstein and Köhler paper on hybridoma technology, which paved the way for monoclonal antibodies. Ralph Minter, Biotech CSO/CTO, discusses this important milestone with a true pioneer in the field, Sir Greg Winter, Nobel Laureate and one of the key figures in the development of therapeutic antibodies.

Dec 10, 2024 • 46min
Episode: 68 - Changing the Game of Protein-Protein Interactions With Randolph Lopez
In this episode of The Chain, host Andrew Bradbury, CSO of Specifica, an IQVIA business, speaks with Randolph Lopez, CTO and co-founder of A-Alpha Bio, about how A-Alpha Bio is changing the game of protein-protein interactions with their platform AlphaSeq. Lopez delves into the origins, the process, the successes, and the possibilities of the company’s platform and how it can help with epitope mapping, affinity predictions, and off-target binding. With the data the platform generates, Lopez also discusses how this affects the potential of AI and ML. LINKS: Bionavigen A-Alpha Bio Specifica

Nov 12, 2024 • 43min
Episode: 67 - Anthony Tolcher Discusses Oncology, Dual-Payload Technology, and the ADC Field
November 12, 2024 | In this episode of The Chain, host Rakesh Dixit, PhD, DABT, president and founder of Bionavigen Oncology and Regio Biosciences, speaks with Anthony Tolcher, M.D., FRCPC, cofounder of NEXT Oncology, about antibody drug conjugates (ADCs) including the role of the bystander effect, approaching targets in oncology, dual-payload technologies, the potency of new payloads, and bispecific targeting. Tolcher also shares what inspired him to pursue oncology, how he came across ADCs, and where he sees ADCs heading in the future. LINKS: Bionavigen NEXT Oncology

Oct 16, 2024 • 40min
Episode: 66 - John Lambert on Antibody Drug Conjugates Then, Now, & Beyond
October 15, 2024 | In this month’s episode of The Chain, host Rakesh Dixit, PhD, DABT, president and founder of Bionavigen Oncology and Regio Biosciences, and John Lambert, PhD, consultant, about antibody drug conjugates (ADCs) then, now, and beyond. Lambert shares his experiences from his decades-long career at ImmunoGen, why ADCs are more successful now compared to in the past, and where he sees ADCs going forward. He also discusses his thoughts on the half-life of diffusible payloads, the toxicity of the bystander effect, and more. LINKS:BionavigenImmunoGen

Sep 10, 2024 • 32min
Episode 65- Tariq Ghayur on the Renaissance of Bispecifics and ADCs, AI, and More
September 10, 2024 | In this episode of The Chain, host Nimish Gera speaks with Tariq Ghayur, of Tariq Ghayur Consulting, LLC and Entrepreneur in Residence, FairJourney Biologics (and a fellow host of the podcast), about the current renaissance of bispecifics and ADCs, the impact of AI in pharmaceuticals, and what to watch out for in the biopharma space in the next few years. Ghayur also shares his journey from BASF Pharma to AbbVie, what it was like when the industry shifted its focus from small molecules to biologics, and the major differences between doing a postdoc in academia versus in the industry.