Celebrating a 20-Year Storyline

Warman O'Brien & PSI

Our founders, Mark and Caroline O'Brien first met at PSI 2005 in Cardiff. Over the next 20 years, Mark and Caroline built a family together and founded Warman O’Brien. This year we're coming back to where it all began - to PSI 2025. See us at STAND 22

About Us

North America

Life Sciences Salary Survey 2025

Download our Salary Survey now and position your organization as an employer of choice in the biotech and pharmaceutical sectors in the US and Canada.

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Your Global Life Sciences Recruitment Partner

We combine passion for people with commitment to delivering exceptional service, creating a lasting and meaningful impact on the future of human health.

Find me a job

90% CV-to-Interview Success

With an ex-Associate Director from IQVIA  and scientifically educated consultants on our team, we offer unrivaled expertise to ensure you receive world-class service when partnering with Warman O’Brien.

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Warman O'Brien & PSI

Life Sciences Salary Survey 2025

Your Global Life Sciences Recruitment Partner

90% CV-to-Interview Success

Connecting industry experts with global leaders

Warman O'Brien are a team of passionate consultants who go above and beyond to connect talented professionals with leading companies worldwide.

We specialise in finding top talent in Biometrics, Clinical Research, Data Sciences, QA, Discovery Sciences, Translational Research, Procurement, Medical, C-Suite, Digital Health and Technical Operations across the US, Canada, UK & Europe.

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The hires that make a difference to your business

Why partner with Warman O’Brien

In-house industry expertise: We have an ex-Associate Director from IQVIA and scientifically educated consultants on our team, ensuring you receive the best talent solutions.

Consistent Excellence: 96% search processes completed within 8 weeks.

Global Reach: With a database of over 30,000 registered candidates,we offer recruitment solutions in over 25 countries.

clients

Refer a friend and be rewarded

For every referral we place in a contract / temporary or permanent role, you will receive £900 / €1000 / $1000.

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Areas of expertise
Our Specialisms

Biometrics

Clinical Research

Regulatory Affairs

QA, Tech Ops & Manufacturing

Data Sciences

C-Suite & Commercial

Preclinical

Medical

Our Latest Vacancies

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Our Services
Built to provide innovative recruitment solutions

We cover both temporary/contract and permanent vacancies for companies across the pharmaceutical industry

Permanent

We excel at securing successful outcomes for both candidates and clients with a 90% success rate in getting applicants to the interview stage.

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Contract

With a straightforward approach and in-house ex-industry experts, we know how to get results for both candidates and clients.

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Executive Search

Our most specialized and niche offering, we excel in filling challenging and hard-to-find positions, especially at the senior executive levels, where the pool of candidates is limited.

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Project Solutions & SOW

Our comprehensive framework of SoW options ensures that you will get a tailored solution to meet your unique needs.

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Our culture

Great Place To Work Certified

Our survey results showed that 78% of our employees agree that Warman O’Brien is a great place to work. We continue creating amazing employee' experiences and making Warman O’Brien a true talent destination for all.

Why Join Us

Hiring Insights

Explore our insightful articles and practical guides tailored for Life Sciences hiring specialists.

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Get in Touch

Looking to scale your team or unhappy with your recruitment solutions? We’re here to help.

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Latest Insights

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