Guillaume Deflaux
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Guillaume Deflaux Email & Phone Number

Co-Founder and CEO at Somari
Location: Chambéry, Auvergne-rhône-alpes, France 12 work roles 3 schools
1 work email found @tdh.ch 1 phone found area 376 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Current company
Role
Co-Founder and CEO
Location
Chambéry, Auvergne-rhône-alpes, France
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Quick answer

Guillaume Deflaux is listed as Co-Founder and CEO at Somari, a with 5 employees, based in Chambéry, Auvergne-rhône-alpes, France. AeroLeads shows a work email signal at tdh.ch, phone signal with area code 376, and a matched LinkedIn profile for Guillaume Deflaux.

Guillaume Deflaux previously worked as Co-Founder & CEO at Somari and Chief Technology Officer at Akvo. Guillaume Deflaux holds Postgraduate Certificate In Public Health, Public Health from London School Of Hygiene And Tropical Medicine, U. Of London.

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Email format at Somari

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{first}.{last}@tdh.ch
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Profile bio

About Guillaume Deflaux

I’ve worked in the ICT4D field for 20 years, amplifying the impact of humanitarian and development programs with technology in various sectors such as health, child protection and juvenile justice.With Somari, we’re assisting NGOs in enhancing their implementation of Security Risk Management using state-of-the-art software. Somari is a web and mobile solution specifically designed to improve the efficiency of SRM processes both in the field and at the headquarters.

Listed skills include Ngos, International Development, Capacity Building, Human Rights, and 20 others.

Current workplace

Guillaume Deflaux's current company

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Somari
Somari
Co-Founder and CEO
Chambéry, FR
Website
Employees
5
AeroLeads page
12 roles

Guillaume Deflaux work experience

A career timeline built from the work history available for this profile.

Co-Founder And Ceo

Chambéry, Fr

Co-Founder & Ceo

Current
May 2023 - Present

Chief Technology Officer

Current

Amsterdam, Nl

Akvo is a nonprofit foundation working to bring data and digitization to the forefront of the development sector. Our team provides data consultancy, tech solutions and local knowledge to our partners worldwide.

Jan 2023 - Present

Principal Consultant

Current

I support NGOs & actors of the social economy with the technology and strategy they need to amplify their programs and reach their full impact potential.Services:- I manage the end-to-end development (scoping, programming, deployment, training) of Commcare applications and PowerBI Dashboards.- I help you design the next iteration of your humanitarian and development interventions leveraging mobile technology at scale for your beneficiaries and front-line workers.- I help you improve your operations by designing the processes, and selecting and deploying the right digital tools for your internal team.

Oct 2022 - Present

Chief Operating Officer / Engineering Lead

Paris, Île-De-France, Fr

► Oversight of project delivery across departments (Collaborative Tools - Google Workspace, ERP - Odoo, Data Management/ICT4D - CommCare, DHIS2, PowerBI, web/mobile development - Django, Flutter)► Manage a team of 15 developers and application builders. Specific focus on the ICT4D team.► Accountable for profitability of projects and resourcing.► Develop and rollout of project management tools and methodologies (budget planning, budget tracking, PMO). Monitoring of KPIs.► Implementation of software development best practices (incl. SCRUM).► Support operational teams with software engineering, requirements gathering and business analysis and business development teams with proposal writing.► Member of the management team.

May 2020 - Aug 2022

Country Director

Cambridge, Ma, Us

► Responsible for identifying and fulfilling the long-term strategic vision for the success and impact of Dimagi in Southern and Eastern Africa.► Autonomy to define/delegate country engagement strategy; business development and partnerships priorities; scope of services and products offered; and team structure/growth. Project funding was mostly from USAID, CDC and BMGF.►Lead the redesign of Dimagi's operating model of the Solutions Division (~50 people across 3 continents), with the goal of moving away from a functional to a divisional model in order to improve the autonomy of the different missions teams.

Jan 2018 - Dec 2019

Senior Technical Project Manager

Cambridge, Ma, Us

► Managed a team of 30 engineers, application builders, trainers and field support technicians for the development and national scale up of an Electronic Medical Record (EMR) for tuberculosis patients built with CommCare.

Jan 2017 - Dec 2017

Information Systems Manager - Prevac Project

Paris, Île-De-France, Fr

The Partnership on Research on Ebola Vaccination (PREVAC) is a project aiming at testing 3 candidate-vaccines against Ebola in Liberia, Sierra Leone and Guinea on 5000 participants.Role and responsibilities:► Definition Standard Operating Procedures for the management of the clinical data generated in the vaccination sites.► Design and develop participant mobile tracking tools and associated data products for community mobilizers in order to maximize adherence to the study protocol (CommCare).► Design and development of a mobile vaccine tracking tool to record movement of vaccines vials between freezers and labs.► Management of the setup of the Laboratory Information Management System (LIMS)► Support to all subject matter experts (lab, pharmacy, community mobilizers, patient circuit) in the setup of IT equipment and software.

Jun 2016 - Nov 2016

Mhealth Coordinator / Product Manager - Ieda Project

Lausanne, Vaud, Ch

The Integrated eDiagnosis Approach - IeDA - is an innovative strategy combining mHealth tools and data-driven quality improvement methodologies. It relies on a set of components that converge in a coherent package by relying on the information generated by one another, adding value to it and acting upon it. IeDA one of the largest mHealth deployments in West Africa covering 1400+ primary health care facilities in Burkina Faso, Mali and Niger.Role and responsibilities:► Product and rollout/scale management of the technology► Oversight of the transition from a custom web application to a mobile application built on the CommCare platform (needs assessment, UAT) and make sure that the technology and associated processes could scale.► Design of training materials and helpdesk tools and processes► Oversight of the integration of CommCare with the national DHIS2 instance.► Development of data products providing specific implementation indicators (R, Shiny)► Presentation of the project at several conferences (ICT4RBF 2014, getHealth 2015, ECTMIH 2015).

Jan 2014 - Dec 2015

Ict4D Product Manager

Lausanne, Vaud, Ch

May 2011 – Dec 2013 (2 yrs 8 mos)After developing several ad hoc solutions, Terre des hommes decided to capitalize all the acquired technological and interventional knowledge into an organization wide product the would be made available to all country offices. The Pillango platform is a modular online software solution that enables the combination of ready made specialized modules (case management, stock management, GIS, etc) to create a unique tailored software for each country office.Role and responsibilities:► Build and manage the business relationship with our technological partner (contract negotiations, pricing models).► Write platform specifications and the application bundling processWith Terre des hommes subject matter experts to formalize workflows and write module specifications.► Lead of user testing activities and coordination of the feedback to developers.► Design of training materials and user manuals.► Support of country offices with proposal writing in order to find the necessary funds to rollout the software.

May 2011 - Dec 2013

Global Ict4D Advisor

Lausanne, Vaud, Ch

The ICT4D Advisor position was created following the promising experiences and results obtained in South Eastern Europe (previous position) in order to mainstream the use of ICT in the organization.Roles and responsibilities:► Promote and facilitate the integration of ICTs across the organization (100 project, 35 countries).► Participation in the revision of thematic guidelines in particular with the modeling of intervention models.► Lead and manage the design, development and implementation of software solutions for strategic business processes (juvenile justice, social case management, health).► Support of over 15 country offices with specific ICT solutions, project planning, fundraising and proposal writing.

Jan 2009 - Apr 2011

Regional Monitoring & Evaluation Specialist

Lausanne, Vaud, Ch

The Regional Office in Budapest is in charge of providing technical support to project implementing countries (Albania, Kosovo, Moldova, Romania) in the core areas of intervention. My role was to support teams with information systems solutions in order to improve monitoring and evaluation practices.Role and responsibilities:► Lead of the design, development management, training and operation of online Case Management tools for social workers (online files, reporting, statistics).► Lead of design and programming of the regional communication and advocacy online platform targeting child protection professionals.► Support regional offices with the use of ICT for better M&E systems (coaching, training, data collection processes).

May 2006 - Dec 2008
3 education records

Guillaume Deflaux education

Postgraduate Certificate In Public Health, Public Health

London School Of Hygiene And Tropical Medicine, U. Of London

Engineer, Real Time And Embedded Computing

Epita: Ecole D'Ingénieurs En Informatique

Certificate, Russian Language

Minsk State Linguistic University
FAQ

Frequently asked questions about Guillaume Deflaux

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What company does Guillaume Deflaux work for?

Guillaume Deflaux works for Somari.

What is Guillaume Deflaux's role at Somari?

Guillaume Deflaux is listed as Co-Founder and CEO at Somari.

What is Guillaume Deflaux's email address?

AeroLeads has found 1 work email signal at @tdh.ch for Guillaume Deflaux at Somari.

What is Guillaume Deflaux's phone number?

AeroLeads has found 1 phone signal(s) with area code 376 for Guillaume Deflaux at Somari.

Where is Guillaume Deflaux based?

Guillaume Deflaux is based in Chambéry, Auvergne-rhône-alpes, France while working with Somari.

What companies has Guillaume Deflaux worked for?

Guillaume Deflaux has worked for Somari, Akvo, Tencube, It4Life, and Dimagi.

How can I contact Guillaume Deflaux?

You can use AeroLeads to view verified contact signals for Guillaume Deflaux at Somari, including work email, phone, and LinkedIn data when available.

What schools did Guillaume Deflaux attend?

Guillaume Deflaux holds Postgraduate Certificate In Public Health, Public Health from London School Of Hygiene And Tropical Medicine, U. Of London.

What skills is Guillaume Deflaux known for?

Guillaume Deflaux is listed with skills including Ngos, International Development, Capacity Building, Human Rights, Nonprofits, Civil Society, Program Evaluation, and Humanitarian.

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