VaxTRIALS is a boutique clinical research organization (CRO) that provides innovative solutions in managing and monitoring vaccine clinical trial activities across Latin America. We use the highest quality standards to achieve and exceed our clients’ expectations.

VaxTRIALS is a regional leader with an active presence in more than 10 Latin-American countries, and a deep local regulatory knowledge. It is this, along with our vast network of experienced investigational sites, which allows us to ensure a fast enrollment and a high level of adherence with great quality standards. 








Since its foundation in 2012, VaxTRIALS has been involved in more than 50 vaccine-related clinical, epidemiological and health economics trials throughout the Latin American region, helping clients, sponsors, and vendors to achieve extraordinary results in implementation of their studies. Since then, we have had the opportunity to be involved in different clinical trials for the prevention of diseases like Chikungunha, Covid-19, Influenza, Dengue, Hepatitis A, Meningitis, Norovirus, Norovirus EPI, Herpes Zoster, Pertussis, RSV and Polio in different countries of Latin America, such as Panama, Colombia, Guatemala, Dominican Republic, Costa Rica, Uruguay, Brazil, Argentina, Ecuador, Paraguay and Chile.

In total, through a vast network of highly skilled, trained and leading investigators across the region, VaxTRIALS has contributed to the recruitment of more than 38,000 subjects and 320,000 study visits. With our solutions, we optimize clinical vaccine trial timeframes by promoting faster patient enrollment and higher adherence.


As a key player in Latin America, we have long-lasting partnerships with local and regional/global partners and vendors including, but not limited to, IT solutions, Pharmacovigilance Service Companies, Biostatistics, Epidemiology, Data Management, Translation Services, Medical Writing, Import & Export, Supplies, Handling, Storage and Shipment of Investigational Product.


Great value for everyone involved, through strong relationships and engaged vendors, investigators and site networks. 

Our previous and current sponsor and partners include NGOs, foundations, big & small pharma and biotech, and manufacturers. 








      Our team is composed of motivated professionals with educational background in life sciences, bilingual, many of them with ample experience in vaccine research and/or the pharmaceutical industry.

      José Jimeno, CEO  

      Medical Doctor, PDG, PMP certified. Founder of VaxTRIALS. More than 15 years of experience in different positions, including Site, CRO and Sponsor roles in the vaccine clinical trials industry in Latin America; with more than 70,000 subjects managed in Vaccine Clinical Trials.

      Tom Herremans, CCO  

      Master of Science, MBA, PMP certified

      20 years of experience in the vaccines industry in global and local positions. Tom has led small and big teams and has defined the asset's mission, vision, and strategic objectives for different clinical vaccine development and commercialization projects & programs.

      Pablo Díaz, CFO  

      Economist, Master un Corporate Finance.

      More than 15 years of experience in the Financial, Consumer and Industrial sectors in Multinational companies. Broad experience leading Financial Teams as Business Finance, Controller and CFO. Pablo has led Business Model transformations, Digital Startups and Strategic Planning Consultancy projects in diverse sectors in Colombia.

      Paula Casasco,

      Quality & Training Head  

      Molecular Biologist with an MBA and a fellowship at NIDR, NIH.
      More than 20 years of experience in clinical research, holding management roles in Clinical Operations and Quality & Training areas for multinational pharmaceutical companies and CROs. Founder of PiCRIS, a quality consulting group with over 14 years in the clinical trials market. RQAP-GCP with 200+ GCP/PV Audits within the Latin American Region, Europe, Asia and US.

      Hector Gonzalez,

      Strategic Planning & Process Improvement Head  

      Chemical Engineer, Six Sigma Black Belt certified.
      More than 15 years of experience leading local and global vaccine clinical trials from the pharmaceutical industry end, as well as small and large CROs.

      Cristina Gómez, CHRO  

      Master in strategic Thinking and Psychologist.
      More than 13 years of experience in Human Resources in Pharma Industry in local and regional positions across Latin America. Before VaxTRIALS, she worked for more than 3 years in Sanofi for Colombia, Peru, Panama and Central America as Human Resources Business Partner. Cristina has led different HR projects Related to Change Management, Culture Transformation, Talent Management and Strategic Workforce Planning.


      Luz Elena Moreno,

      Medical and Pharmacovigilance Director  

      Medical doctor, epidemiologist, and master´s degree in health economics.
      More than 16 years of experience working in medical affairs departments for pharmaceutical companies. Extensive knowledge in the development and leadership of the medical strategy, medical oversight of clinical studies, scientific engagement plans and evidence generation activities for different therapeutic areas including vaccines, omen’s health, primary care and consumer healthcare (mainly vaccines).


      Andreia Neves, COO,

      Biologist, PhD in Immunology  

      PMP certified, with over 17 years of experience working in clinical and epidemiology trials in the pharmaceutical industry and CRO, in different therapeutic areas including vaccines, oncology, gynecology, cardiology and respiratory. Broad experience in Clinical Operations across different roles, including Head of Clinical Operations in Pharmaceutical Industry and Regional Clinical Trial Manager in CRO, managing different sized teams and projects across countries within Latin America, US & Europe.


      VaxTRIALS has a team of highly experienced and locally based Program Leads, Project Managers, Clinical Research Associates, Clinical Trial Assistants and Regulatory specialists with project and risk management embedded in their ways of working.


      This team leads Project Management, Monitoring and Regulatory.


      Molecular Biologist, MBA and over 20 years of vaccine clinical trials experience. Federico has worked in the pharmaceutical industry as Regional Clinical Operations Director ensuring the proper conduct of all vaccine Phase I-IV clinical trials and epidemiological studies in all therapeutic areas in Latin America. 


      Biologist, PhD in Immunology.  PMP certified, with over 15 years of experience working in clinical and epidemiology trials in the pharmaceuticals industry and CRO, in different therapeutic areas including vaccines, oncology, gynecology, cardiology and respiratory. Broad experience in Clinical Operations across different roles, including Head of Clinical Operations in Pharmaceutical Industry and Regional Clinical Trial Manager in CRO, managing different size teams and projects across countries within Latin America, US and Europe.


      Industrial Microbiologist specialized in Epidemiology and Project Management. Over 16 years´ of experience in the pharmaceutical industry in the Research and Development area. The last 12 years she has been dedicated to the development of vaccines trials in Latin America and USA (phase I to IV) as a regional Clinical Study Management Director. She has led multiregional interdisciplinary teams dedicated to clinical research. 
      Cristina Frassetto, Program Lead, Director


      Pharmacist specialized in Biochemistry. More than 10 years of experience in Clinical Research in the vaccine industry. Project Management experience in Latin America and Europe.
      Mayra Luz Olvera, Program Lead, Director


      Major in Nutrition, MBA and Master in Global Management. Over 20 years of experience in Clinical Research; more than 15 years in Project Management roles in CROs & Pharma companies, at Latin America and global landscape.


      BSc., Health Audit Specialist certified. More than 12 years in SSU and Regulatory experience in CROs with pharma studies. Leads local and regional regulatory teams; review process in the department to be aligned with local regulations and to maintain the quality in each step of the process. Experience in contract/Budget negotiations with local and regional sites.


      Physician specialized in Public Health with more than 13 years of experience in the CRO and Pharmaceutical Industry. Highly experienced in guidelines, clinical trials, regulatory, medical affairs, and GCP activities.


      I“Biomedical Researcher with a Master's degree in Biological Sciences; 12 years of experience in clinical research, having a background in medical affairs, clinical operations, mentoring, quality and training in the vaccine industry - mainly at GSK.”