Values that move global health forward

Professional profile

Élie-Ishnel ISHARA NSHOMBO is the President and Co-founder of OHExpert. A Doctor of Veterinary Medicine, he holds a Master’s in Public Health, specializing in epidemiology, clinical research and evaluation, from the University of Lorraine, as well as a university diploma (DIU) in environmental health from the universities of Bordeaux and Poitiers. His academic background spans the three core dimensions of the One Health approach: human health, animal health and environmental health.

He also holds a Master’s in Business Management and Administration from IAE Nancy School of Management (University of Lorraine). He combines scientific rigor, an understanding of health systems, and expertise in organizational strategy and management. This dual scientific and management training informs his approach to interconnected health, environmental and institutional challenges, which require coordinated responses.

His career has developed across Africa and Europe through biomedical research, epidemiological surveillance and the coordination of international scientific projects. He has contributed to work on emerging infectious diseases, including Ebola and mpox, the evaluation of innovative diagnostic tests, vaccine research and antimicrobial resistance, in collaboration with research institutions, international organizations and public health partners.

Currently a researcher in management sciences at the University of Lorraine and ICN Business School, he studies how organizations and sectors collaborate to implement the One Health approach. His work explores organizational capabilities, coordination mechanisms and the conditions that turn cross-sector collaboration into practical action.

At OHExpert, he advances a consulting vision built on complementary disciplines, mobilized expertise and the translation of scientific knowledge into practical solutions. He leads the company’s strategic development and partnerships to help public and private organizations integrate One Health into their policies, strategies and programs.

Areas of expertise

• One Health strategy and cross-sector collaboration
• Organizational management and partnership development
• Epidemiology, public health and surveillance of emerging diseases
• Coordination of research and innovation programs
• Systems transformation, data and digital innovation

Selected scientific publications

• Kavunga-Membo H, Chi HF, Emperador DM, Mirimo H, Ishara-Nshombo E et al. (2026). Performance of five mpox antigen-based rapid diagnostic tests tested on lesion swabs from patients with suspected mpox from the Kinshasa province of DR Congo: a diagnostic accuracy study. The Lancet Infectious Diseases. doi.org/10.1016/s1473-3099(26)00141-6
• Fransman W, El Idrissi I, Biga R, Emperador D, Adedosu N, Nakiche T.C, Etafo J, Ishara-Nshombo E et al. (2026). FIND Integrated Biobanks: A Network Model for Efficiency and Preparedness Based on Equitable Partnership Contracts. Journal of Clinical and Translational Science. doi.org/10.1017/cts.2025.10232
• Kahusu CM, Peckeu-Abboud L, Goovaerts O, Matungulu É, Heyndrickx L, Ariën KK, Oostvogels S, Mubiala A, Milua S, Mbilizi IM, Shamamba S, Bayoka N, Ishara-Nshombo E et al. (2025). Long-term antibody responses to the Ebola virus and the vaccine vector after rVSV-ZEBOV vaccination in DRC. Vaccine. doi.org/10.1016/j.vaccine.2025.127537
• Ishara-Nshombo E et al. (2025). Diagnostic Accuracy of 3 Mpox Lateral Flow Assays for Antigen Detection, Democratic Republic of the Congo and United Kingdom. Emerging Infectious Diseases. dx.doi.org/10.3201/eid3106.250166
• Ishara-Nshombo E et al. (2024). Nursing home nurses' opinion profiles on the potential evolution of their role in antimicrobial stewardship and associated factors: a national cross-sectional study in France. JAC-Antimicrobial Resistance. doi.org/10.1093/jacamr/dlae189
• Ishara-Nshombo E et al. (2022). Phenotypic and morphobiometric characterization of local chicken (Gallus gallus) in family breeding on the outskirts of Lubumbashi, Democratic Republic of Congo. Letters in Animal Biology. doi.org/10.62310/liab.v2i2.85

Élie-Ishnel Ishara Nshombo on LinkedIn

Professional profile

Colombe HENRION is the Managing Director and Co-founder of OHExpert. An environmental geographer, she works at the intersection of biodiversity, health and territorial dynamics through a cross-disciplinary One Health approach. She holds a Master’s in Environmental Geography from Sorbonne University and a Master’s in Biodiversity from Paris 1 Panthéon-Sorbonne University. Her studies have given her an in-depth understanding of the interactions between human activities, ecosystems and health challenges.

She has led and helped coordinate the partner network, bringing together institutional, scientific and operational stakeholders around projects using the One Health approach. Her experience includes zoonoses, antimicrobial resistance and the interactions between biodiversity and health.

She also led the program’s communications, from defining and implementing activities to sharing the network’s initiatives and results.

She has extensive experience in science communication, public awareness and knowledge sharing. In particular, she created and hosted the Sani’Terre podcast and adapted the One Health Fresco to the Réunion Island context.

She also has experience in instructional design, developing learning resources and training programs. She contributed to the One Health Indian Ocean Educational Toolkit and the Indian Ocean Animal Health Toolkit, and to the design and delivery of One Health training courses (including medical entomology and epidemiological surveillance modules).

Her background brings together partnership development, instructional design, science communication and strategic communications in support of the One Health approach.

Areas of expertise

• Partnership governance, multi-stakeholder coordination and network facilitation
• Biodiversity, environmental health and place-based One Health approaches
• Climate change, human pressures and ecosystem resilience
• Science communication, communications and knowledge sharing
• Training, instructional design and capacity building

Selected journalistic publications

• Henrion C. Could our lifestyles cause new epidemics? Sciences et Avenir [Internet]. [cited 6 Nov 2026]. Available at: sciencesetavenir.fr
• Henrion C. Book: SARS-CoV-2, at the origins of evil, by Brice Perrier. Sciences et Avenir [Internet]. [cited 6 Nov 2026]. Available at: sciencesetavenir.fr
• Henrion C. How does a virus mutate? Sciences et Avenir [Internet]. [cited 6 Nov 2026]. Available at: sciencesetavenir.fr
• Henrion C. Question of the week: what is the Anthropocene? Sciences et Avenir [Internet]. [cited 6 Nov 2026]. Available at: sciencesetavenir.fr
• Henrion C. Global warming: the role of birds in plant dispersal. Sciences et Avenir [Internet]. [cited 6 Nov 2026]. Available at: sciencesetavenir.fr

Podcast

Henrion C. Sani’Terre [podcast]. Réunion Island: Indian Ocean One Health Partnership Program, Cirad; 2023–2024. 24 episodes. Available at: Sani’Terre Podcast · YouTube

Colombe Henrion on LinkedIn