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Sean O'Brien Email & Phone Number
Co-founder and CEO
at
Sisu Pharma
1 work email found
@sisupharma.com
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Co-founder and CEO
Location
San Diego, California, United States
Company size
Who is Sean O'Brien? Overview
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Quick answer
Sean O'Brien is listed as Co-founder and CEO at Sisu Pharma, a company with 2 employees, based in San Diego, California, United States. AeroLeads shows a work email signal at sisupharma.com and a matched LinkedIn profile for Sean O'Brien.
Sean O'Brien previously worked as CoFounder and CEO at Sisu Pharma and Founder at Endless Frontier Labs at Endless Frontier Labs. Sean O'Brien holds Doctor Of Philosophy (Ph.D.), Quantum Chemistry from The University Of Manchester.
Company email context
Email format at Sisu Pharma
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{first_initial}{last}@sisupharma.com
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AeroLeads found 1 current-domain work email signal for Sean O'Brien. Compare company email patterns before reaching out.
Profile bio
About Sean O'Brien
Biotech executive with significant success in growing early stage and start-up value through program design and management underpinned by relationship building. A logical and skilled problem-solver who has hands on experience in influencing cross-functional teams to achieve corporate milestones. Key strengths are corporate strategy and management, driving consensus and building, negotiating and successfully managing alliances.Areas of Expertise: •Scientific Program Management • Translational Sciences • Strategy Implementation • Drug Discovery and Development •Business Development • Virtual Pharma • Intellectual Property •Contract Negotiation •Legal Review • CRO and Vendor Management • Scientific Collaborations •Due Diligence
Listed skills include Drug Discovery, Drug Development, Biotechnology, Oncology, and 41 others.
Current workplace
Sean O'Brien's current company
Company context helps verify the profile and gives searchers a useful next step.
Sisu Pharma
14 roles
Sean O'Brien work experience
A career timeline built from the work history available for this profile.
Cofounder And Ceo
CurrentTargeting Cellular Stress to Treat Cancer and Neurodegenerative Disease
May 2019 - Present
Founder At Endless Frontier Labs
Endless Frontier Labs (EFL) is a New York-based mentorship program supporting promising startups across the globe by helping them grow their business, scale their teams, and advance human welfare through science and technology based-entrepreneurship. Startup founders work with EFL’s network of investors, scientists, and industry experts with support from.
Sep 2022 - Jun 2023
Vp Translational Sciences
Chaperone develops breakthrough therapies for disorders of protein misfolding
Feb 2019 - Jun 2021
Co-Founder And Ceo
G4 Oncology
Small molecule oncology company targeting regulatory DNA motifs
Jan 2018 - Dec 2019
Co-Founder And Vp, Scientific And Corporate Affairs
Trilogy Therapeutics
Established business opportunity and strategy, business plan and co-founded companyRecruited KOLs to Advisory BoardScientific program review – identified areas required for value creation and established a plan to create complete partnering package post Phase I proof-of-conceptCoordinated compound supply chain to CMODesign and execution of in vivo.
Sep 2015 - Jan 2017
Vp, Corporate Development
Integral part of team that took two non-clinical compounds with inactive programs into Phase I and Phase II studies, propelling the company to public listing and a $300MM valuation from $35MM investment in 18 monthsSet strategy - conceptualized and designed Phase II cancer study. Oversaw establishment of multicenter US/Korea/Taiwan trial with high caliber.
May 2013 - Sep 2015
Vp, Research And Business Development
Identified opportunity, negotiated and closed deal for acquisition of lead oncology programs Out-Licensed Cylene’s Phase II DNA-quadruplex interacting oncology programFiled IND with FDA: Planned and executed development from pre-IND to phase IIManaged regulatory and technical transfer for early phase clinical trials Oversaw R&D process for preclinical.
Oct 2011 - Apr 2013
Director Of Research And Business Development
Seek to identify and develop partnering and licensing opportunities in oncology. Influence current and future R&D efforts and focus them on maximizing their short and long-term value. Ensure that the Company’s direction and promotional activities are all supported by strong, well validated science.
Feb 2009 - Oct 2011
Director Drug Discovery Technologies & Project Management
IND filing – coordinating cross-disciplinary teamsManagement of ADME-PK and IT departmentsKey member of anticancer technology platform development team
Jul 2007 - Dec 2008
Computational Scientist
Aug 2005 - Jul 2007
Computational Chemist
Sep 2002 - Oct 2004
Computational Chemist
Oct 2002 - Sep 2004
Computational Chemist
Nov 2000 - Oct 2002
2 education records
Sean O'Brien education
Doctor Of Philosophy (Ph.D.), Quantum Chemistry
The University Of Manchester
Master’S Degree, Chemistry With French
The University Of Manchester
FAQ
Frequently asked questions about Sean O'Brien
Quick answers generated from the profile data available on this page.
What company does Sean O'Brien work for?
Sean O'Brien works for Sisu Pharma.
What is Sean O'Brien's role at Sisu Pharma?
Sean O'Brien is listed as Co-founder and CEO at Sisu Pharma.
What is Sean O'Brien's email address?
AeroLeads has found 1 work email signal at @sisupharma.com for Sean O'Brien at Sisu Pharma.
Where is Sean O'Brien based?
Sean O'Brien is based in San Diego, California, United States while working with Sisu Pharma.
What companies has Sean O'Brien worked for?
Sean O'Brien has worked for Sisu Pharma, Endless Frontier Labs, Chaperone Therapeutics, Inc., G4 Oncology, and Trilogy Therapeutics.
How can I contact Sean O'Brien?
You can use AeroLeads to view verified contact signals for Sean O'Brien at Sisu Pharma, including work email, phone, and LinkedIn data when available.
What schools did Sean O'Brien attend?
Sean O'Brien holds Doctor Of Philosophy (Ph.D.), Quantum Chemistry from The University Of Manchester.
What skills is Sean O'Brien known for?
Sean O'Brien is listed with skills including Drug Discovery, Drug Development, Biotechnology, Oncology, Lifesciences, R&D, Life Sciences, and Medicinal Chemistry.
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