Co-Founder
Current# Aging and cancer.# Preventing relapses in autoimmunity.
Apr 2023 - Present
AeroLeads people directory · profile
Tom Stephen Email & Phone Number
Co-Founder | Serial Entrepreneur | Drug Developer | Scientist- Immunologist and Immuno-Oncologist
at
Stealth - Therapeutics Biotech
1 work email found
@hifibio.com
1 phone found area 267
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 100%
Current company
Role
Co-Founder | Serial Entrepreneur | Drug Developer | Scientist- Immunologist and Immuno-Oncologist
Location
Greater Boston, United States
Who is Tom Stephen? Overview
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Quick answer
Tom Stephen is listed as Co-Founder | Serial Entrepreneur | Drug Developer | Scientist- Immunologist and Immuno-Oncologist at Stealth - Therapeutics Biotech, based in Greater Boston, United States. AeroLeads shows a work email signal at hifibio.com, phone signal with area code 267, and a matched LinkedIn profile for Tom Stephen.
Tom Stephen previously worked as Co-Founder at Stealth - Therapeutics Biotech and Senior Principal Scientist at Hifibio Therapeutics. Tom Stephen holds Phd, Immunology And Microbiology from University Of Cologne.
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Email format at Stealth - Therapeutics Biotech
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tstephen@hifibio.com
76% confidence
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Profile bio
About Tom Stephen
An Immuno-Oncologist (I-O) with 20 years of research experience investigating anti-tumor immunity, tumor microenvironment (TME), immune tolerance, and autoimmunity, including eight years of biopharmaceutical experience in leading drug discoveries, managing projects, and teams. A team player and collaborative scientist with a strong passion for innovative drug discoveries for unmet patient needs.
Listed skills include Animal Models, Cell, Flow Cytometry, Western Blotting, and 21 others.
Current workplace
Tom Stephen's current company
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11 roles
Tom Stephen work experience
A career timeline built from the work history available for this profile.
Senior Principal Scientist
# Project lead, Monoclonal and Bispecific antibodies. # Immuno-Oncology/Disease Biology Lead# Project management
Nov 2020 - Mar 2023
Senior Investigator
Program Lead, Immune Tolerance# Led the discovery and optimization of novel immune tolerance therapies for viral gene therapy, driving innovative solutions from concept to preclinical development.# Managed cross-institutional academic collaborations to accelerate research progress and enhance scientific output.# Supervised and provided strategic direction to direct reports and external contract research organizations (CROs).
Oct 2019 - Nov 2020
Associate Principal Scientist, Immuno-Oncology
# Lead new Immuno-Oncology Bicyclic peptide discoveries.# Lead target selection and validation studies# Biology support for 4-1BB/Nectin-4 T cell engagers (TICA's)# Project lead for Bicycle-STING, Bicycle-TLR agonist drug conjugates (BDCs)
Feb 2018 - Oct 2019
Senior Scientist, Immuno-Oncology, Oncology Biosciences
# Lead, Immuno-Oncology small molecular drug discoveries# Immuno-Oncology support for the A2AR Phase 1 program# Due Diligence lead for Immuno-Oncology assets
Sep 2016 - Feb 2018
Scientist Ii, Immuno-Oncology
IO New targets & biomarker discovery # Led biomarker strategies for M7824 (anti-PD-L1/TGF-b Trap) bi-functional antibodies # Led new concept project to enhance tumor immunogenicity # IO Due Diligence member for novel immune modulators
Jul 2015 - Sep 2016
Staff Scientist
Discovered novel immune regulatory mechanisms in solid tumor microenvironment (TME).# Investigated T cells anti-tumor immunity in cancer.# Discovered TGFb/SATB1 in epigenetic regulation of PD-1 in solid tumors. (Immunity 2017).# Discovered TGFb/Foxp1 pathway in T cell inhibition in solid tumors (Stephen TL, Immunity 2014).# Mastered in techniques: T cell, DC, NK, Mφ, MDSC, Treg assays, 18C-FACS, ChIP/Seq, and Confocal Microscopy.# Developed mouse tumor models. # Review member; immunology journals. # Committee member, Wistar community outreach programs. # Trained graduate students, postdoctoral fellows, biomedical technicians, and RAs.# Winner of AAI Travel Award 2012
May 2011 - Jun 2015
Postdoctoral Fellow
Identified mechanisms of T cell central (thymic) tolerance in autoimmunity.# Winner of Arthritis Foundation-awarded. # Investigated T cell central tolerance and autoimmunity. # Discovered Lck kinase in central tolerance induction (Stephen TL, PNAS 2012). # Trained graduate students and 4 RA's.
Jan 2006 - May 2011
Graduate Student
Investigation of antigen processing and presentation# Identified novel antigen processing and presentation pathway for zwitterionic polysaccharides (ZPS) of S. Pneumonia# First to demonstrate MHC Class II-dependent CD4 T cell activation by ZPS# Identification co-stimulatory pathways in ZPS-mediated T cell activation
Jul 2002 - Jan 2006
Research Fellow In Acute Myeloid Leukemia Group
Lmu - Ludwig-Maximilians-Universität München
Worked as a research fellow in the Acute Myeloid Leukemia group of the University of Munich.# I studied the molecular mechanisms and pathogenesis of human Acute Myeloid Leukemia (AML) in experimental (mouse) models.
Nov 2001 - Jun 2002
Junior Research Fellow
Postgraduate Institute Of Medical Education And Research
Participated in the Lymphatic filarial vaccine project of Indian Council for Medical Research (ICMR). # Established the rat-mosquito-rat experimental model for Brugia malayi, the causative agent of human lymphatic filaria. # Learned various in vitro and in vivo techniques, including handling and processing of human tissues.
Apr 2000 - Sep 2001
5 education records
Tom Stephen education
Phd, Immunology And Microbiology
University Of Cologne
Master Of Science - Ms, Microbiology And Immunology
Manipal Academy Of Higher Education
Master Of Science (M.Sc.), Microbiology And Immunology
Manipal Academy Of Higher Education
Bachelor Of Science (B.Sc.), Biology
University Of Calicut
Master Of Science - Ms, Microbiology And Immunology
Manipal Academy Of Higher Education
FAQ
Frequently asked questions about Tom Stephen
Quick answers generated from the profile data available on this page.
What company does Tom Stephen work for?
Tom Stephen works for Stealth - Therapeutics Biotech.
What is Tom Stephen's role at Stealth - Therapeutics Biotech?
Tom Stephen is listed as Co-Founder | Serial Entrepreneur | Drug Developer | Scientist- Immunologist and Immuno-Oncologist at Stealth - Therapeutics Biotech.
What is Tom Stephen's email address?
AeroLeads has found 1 work email signal at @hifibio.com for Tom Stephen at Stealth - Therapeutics Biotech.
What is Tom Stephen's phone number?
AeroLeads has found 1 phone signal(s) with area code 267 for Tom Stephen at Stealth - Therapeutics Biotech.
Where is Tom Stephen based?
Tom Stephen is based in Greater Boston, United States while working with Stealth - Therapeutics Biotech.
What companies has Tom Stephen worked for?
Tom Stephen has worked for Stealth - Therapeutics Biotech, Hifibio Therapeutics, Luye Pharma Usa Ltd., Bicycle Therapeutics, and Astrazeneca.
How can I contact Tom Stephen?
You can use AeroLeads to view verified contact signals for Tom Stephen at Stealth - Therapeutics Biotech, including work email, phone, and LinkedIn data when available.
What schools did Tom Stephen attend?
Tom Stephen holds Phd, Immunology And Microbiology from University Of Cologne.
What skills is Tom Stephen known for?
Tom Stephen is listed with skills including Animal Models, Cell, Flow Cytometry, Western Blotting, Molecular Biology, Cell Culture, Pcr, and Qpcr.
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