Dr Karentzos is a general and visceral surgeon with a multinational training and working experience. He was accredited as a general surgeon in 2014 in Greece after completing a part of his training in Colmar and in Strasbourg, France. He continued his post-CCT training in the UK (Royal Free London and Imperial College NHS Trusts) and in 2016 he moved to Geneva, Switzerland, where he worked at the University Hospital (HUG). In 2020 he pursued a Royal College of Surgeons of England accredited fellowship in benign upper GI surgery at Torbay Hospital in the UK which enabled him to acquire a significant amount of knowledge and expertise regarding the treatment of benign pathologies of the esophagus, the stomach and the diaphragm as well as the laparoscopic exploration of the bile ducts. In 2021 he returned to Switzerland to work in the department of surgery of the cantonal hospital of Fribourg as well as in the department of pediatric surgery of the university hospital of Geneva and in May 2023 he started his private practice in Geneva.

DCC Consulting is a neutral consulting engineering company, independent of any external entity, active in the field of data centers and cloud computing.

Owl RE is a Swiss-based consultancy that supports organisations in evaluation, research, strategy and training: • Evaluation of multi-country complex programmes using mixed-methods participatory approach • In-depth and customised research with a global network of consultants • Accompany organisations in the development of plans and strategies • Support organisations in the development of monitoring and evaluation systems • Provides customised training in communications, advocacy, monitoring and evaluation Since 2008, Owl RE has carried out over 100 projects spanning 50 countries since 2008 for over 60 clients including international organisations, foundations, governments, NGOs and UN agencies.

PG Services Switzerland SA is a consulting and technology integration company based in Vaud, specializing in secure infrastructure, cybersecurity, physical security, and AI-driven innovation. We help organizations modernize IT and cloud environments, implement Zero Trust and SASE frameworks, and strengthen resilience through advanced identity and access management. As a Gold Partner of Verkada, we deliver integrated video security, access control, and sensor solutions for safer workplaces. Our innovation arm develops AI-powered platforms such as MediTrak for hospital inventory management. With strong partnerships and a customer-focused approach, PG Services delivers scalable, cost-efficient, and future-ready solutions

Des solutions uniques en suisse qui automatisent mon entreprise et me font gagner énormément de temps. Merci à toute l'équipe.

Top Value Sàrl, headquartered in Nyon, is a trusted partner for IT consulting , custom programming , and the development of innovative technology solutions tailored to your business needs. We support SMEs, startups, and large enterprises in their digital transformation, streamlining of information systems, and creation of high-performance, scalable tools. With a client-focused and agile approach, our team combines deep technical expertise with proven industry experience. Core Services: • Strategic IT consulting • Custom software and web application development • System integration and process automation • Ongoing maintenance and technical support • Cybersecurity and IT system audits Why Choose Top Value Sàrl? ✔️ Local expertise and fast response times ✔️ Tailor-made and scalable solutions ✔️ Full support from planning to deployment ✔️ Transparency, confidentiality, and technical excellence