Request a proposal Privacy policy

Every promising medicine
given the study it deserves

Meet our people Request a proposal

Check out our record

Decades of experience, and the record to prove it.

  • 500+

    Experts embedded
    across 5 continents

  • 1,000+

    Studies delivered,
    with 1 in 3 real-world

  • 700k+

    Participants enrolled, from single
    sites to population-scale studies

  • 5,000+

    Sites engaged across
    75+ countries

25+ years in the making

Every step on our timeline added something that now shapes how we run your study.

  1. 1990
  2. 1997

    4Clinics is founded in Waterloo, Belgium

    The earliest of the legacy companies that becomes part of who we are today.

  3. 2000
  4. 2008

    Julius Clinical spins off from the Julius Centre

    Clinical trial and epidemiology expertise from Utrecht, the Netherlands, joins what becomes AKEURA.

  5. 2008

    Peachtree BioResearch Solutions is founded in the USA

    Genuine roots in neurology and psychiatry.

  6. 2010
  7. 2011

    P95 is founded in Leuven, Belgium

    An elite group of epidemiology and pharmacovigilance specialists.

  8. 2020
  9. 2023

    P95 merges with OnQ Research

    Expanding study experience across Africa and creating new operational hubs across Europe and Asia.

  10. 2024

    P95 acquires fellow Belgian CRO 4Clinics

    Adding clinical delivery, data management, and biostatistics, with additional offices across the USA and Africa.

  11. 2025

    Julius Clinical and Peachtree merge

    Expanding US presence and CNS capability.

  12. 2025

    P95 and Julius Clinical merge to form one global CRO

    Achieving dual expertise in clinical development and real-world evidence.

  13. 2026

    The combined company relaunches as AKEURA

    Inspired by “A keur,” the Dutch mark of A-grade quality, and the seasoned experts who bring it to every study.

What this means for you

  • Depth of
    experience

    Twenty-five years of focused expertise means fewer missteps, faster enrollment, and protocols built on real-world lessons, not theoretical assumptions.

  • Continuity
    of people

    The team that pitches your study stays with it. No bait-and-switch. Your monitors and scientists carry your study knowledge from day one to completion.

  • Global reach,
    local presence

    Operations across multiple geographies with people on the ground where your patients are, giving you access to diverse populations without sacrificing oversight.

  • Clinical meets
    real-world

    Dual expertise in clinical development and real-world evidence means your evidence strategy is built for approval and for everything that comes after it.

Choose the right team for your study

Executive leadership

We don’t do layers.
The people who lead us are the people you work with.

Bassem Saleh

Bassem Saleh

Chief Executive Officer

Setting the company’s direction, backed by 20+ years in the industry and growing specialist therapeutic businesses.

Stefaan Castelein

Stefaan Castelein

Chief Financial Officer

20+ years scaling fast-growing international companies, now leading global finance through the next stage of growth.

Erik van Zandbergen

Erik van Zandbergen

Senior Vice President, Operations

Overseeing global clinical operations, drawing on a pharmacy background and 15+ years of CRO business development leadership.

Kristy Nichols

Kristy Nichols

Senior Vice President, Neuroscience

Heading the neuroscience business, backed by 17 years running her own CRO and global biometrics leadership in CNS research.

Laurence De Moerlooze

Laurence De Moerlooze

Senior Vice President, Infectious Diseases and Vaccines

20+ years of sponsor-side vaccine development, from licensed vaccines to Zika, now leading infectious disease and vaccine programs.

Bronwyn Secourgeon

Bronwyn Secourgeon

Associate Vice President, Cardiometabolic Diseases

Heading the cardiometabolic business, drawing on nearly 20 years of business development across Europe and Asia-Pacific.

Kaatje Bollaerts

Kaatje Bollaerts

Senior Vice President, Real-World Evidence

20+ years in vaccine and infectious disease biostatistics, now leading global real-world evidence research and partnerships.

Alison Ingram

Alison Ingram

Vice President, Quality and Compliance

25+ years in pharmaceutical quality and compliance, now leading the quality management system across global operations.

Ricard Quingles

Ricard Quingles

Integration Officer

20+ years of CRO strategy, finance, and M&A integration, now bringing teams, systems, and operations together as one.

In-house scientific experts

Our medical monitors, epidemiologists, and therapeutic-area specialists are in protocol design meetings, on safety calls, and on the paper when the results publish.

Diederick (Rick) E. Grobbee, MD, PhD

Diederick (Rick) E. Grobbee, MD, PhD

Chief Scientific Officer

Shaping scientific strategy across every study, backed by decades of leadership in large-scale cardiometabolic research.

Lieza Exalto, MD, PhD

Lieza Exalto, MD, PhD

Head of Medical and Scientific Strategy

Shaping medical and scientific strategy for neuroscience studies, drawing on expertise in dementia and neurodegeneration.

Michael Markowitz, MD, MBA, MSPH

Michael Markowitz, MD, MBA, MSPH

Medical Scientist

25+ years in pharmaceutical medical affairs, from Parkinson’s to schizophrenia, now advancing neuroscience programs.

Rana Hanna Al-Shaikh, MD, MSc

Rana Hanna Al-Shaikh, MD, MSc

Senior Medical Monitor

Movement disorder and neurodegeneration research at Mayo Clinic, now providing expert medical oversight for neuroscience studies.

Michael Katwere, MB ChB, MRCP(UK), MSc

Michael Katwere, MB ChB, MRCP(UK), MSc

Senior Medical Director

Practicing infectious disease physician with 15+ years in pharmacovigilance and trials, from Ebola to HIV vaccines.

Manuel Castro Cabezas, MD, PhD

Manuel Castro Cabezas, MD, PhD

Expert Scientific Officer

Practicing internist-endocrinologist and vascular specialist, now bringing clinical depth to cardiometabolic research.

Aleksandra Polkowska-Kramek, PhD

Aleksandra Polkowska-Kramek, PhD

Program Head, Epidemiology

Leading infectious disease and vaccine evidence programs, backed by 10+ years of epidemiology and public health work.

Emeka (Chukwuemeka) Onwuchekwa, MBBS, MSc, MPH

Emeka (Chukwuemeka) Onwuchekwa, MBBS, MSc, MPH

Senior Epidemiologist

Leading observational studies in RSV and pneumococcal disease, drawing on deep US and European real-world data expertise.

Elisabeth (Lisanne) Mesfun-Kap, MSc

Elisabeth (Lisanne) Mesfun-Kap, MSc

Head of Epidemiology

7+ years of real-world evidence across oncology, heart failure, and liver disease, now leading epidemiological study design for vaccine research.

Margarita Riera, MD, MSc

Margarita Riera, MD, MSc

Strategy Director, Real-World Evidence

Field medicine and epidemiology across Africa and Asia, now shaping real-world evidence strategy for vaccine research.

Jennifer Eeuwijk, MSc

Jennifer Eeuwijk, MSc

Senior Epidemiologist

15+ years in epidemiology and evidence synthesis, now leading systematic reviews across infectious diseases and vaccines.

Omar Okasha, MD, MPH

Omar Okasha, MD, MPH

Epidemiologist

Leading real-world studies of vaccine impact, effectiveness, and safety, backed by 20+ years as a physician-epidemiologist.

Scientific advisors

We work closely with clinicians and scientific experts who lead their fields. They shape study designs, challenge our assumptions, and open doors to networks in their disease areas.

Meet the full team

  • Adrian-Petru Purcarea, MD, PhD Cardiometabolic diseases
    University of Tokyo

  • Dr. Fatima Al-Rashid Epidemiology
    WHO Advisor

  • Prof. Reginald Clarke Neurology
    Oxford University

  • Dr. Priya Menon HEOR
    HTA Specialist

Our mission, vision, and values

Our vision

Every promising medicine given the study it deserves.

Our mission

Experienced, resourceful people giving everything we’ve got, for patients, sponsors, and each other.

We stick to our principles

  1. All in, every time

    Our customer’s study is our study, and we give it everything we’ve got from day one. Being all in also means being straight, including saying so when we’re not the right fit.

  2. Tenacious by nature

    There is always a way forward, and finding it is the job. Where others stall, we keep working the problem, within the protocol and never around it.

  3. Evolving with every study

    Every study teaches us something. When the evidence changes, so does the plan, and what one of us learns, all of us use.

  4. Advocates at heart

    Behind every protocol are people waiting for an answer. We speak up for them, and for each other, in the decisions we make.

  5. Mastering our craft

    Across thousands of studies, our people have learned what good looks like, and it shows in the details. We put the right people on every job and hold every study to that standard.

Join us

Have what it takes to join our team?

We’re looking for driven clinical and RWE professionals
who know how to get the job done.

Sound like you?

View open roles

I've been continually given opportunities to take on new challenges and expand my responsibilities. I've been trusted to grow beyond my original role, develop as a leader, and contribute to both operational delivery and strategic initiatives.

Barbara Etter
Head of Project Strategy and Delivery

Connect with an expert

Tell us what you need.
Your message goes to the team that handles your study.

Name

Global headquarters

Nieuweroordweg 1,
3704 EC Zeist,
The Netherlands

+31 30 656 99 00

Weena 690,
Unit 26.18,
3012 CN Rotterdam,
The Netherlands