XAnge

Former software architect and telecom engineer who coauthored three patents and launched Alcatel's Wi‑Fi product, Cyril Bertrand is an active VC/CEO championing buy-side revenge, capital efficiency and B Corp certification.

Guilhem de Vregille rose to partner in his early 30s and led deeptech strategy in industrial, medtech, spacetech, ML, leveraging engineering and medtech experience to support founders in regulated environments.

Guillaume Meulle annually maps French agritech startups, pushes founders toward business models that boost farmer income, and publicly documents his firm's data-and-workflow VC tech stack and engineer-like approach to operations.

Julien Vianey-Liaud is a health and social protection consultant at Proxicare with over five years of experience supporting innovation development across startups, SMEs, investment funds, and large organizations. His expertise spans strategy and organizational consulting within healthcare and social protection systems, with a focus on structures generating social and environmental impact.

Nadja Bresous Mehigan, French‑Irish, applies M&A and buy‑out experience to early‑stage HealthTech and ClimateTech, managing an impact fund channeling French mutual insurance capital and helping founders with consolidation and platforms.

Franco-American with 20+ years in B2B software who helped transform his firm into a Franco‑German early‑stage platform; known for long‑term conviction—backed Believe (2007→€150m)—and backing technical, sales‑focused founders with global ambition.

Valerie Bures built and scaled three companies across fitness franchising, hardware and digital health, leads DACH strategy and applies brick-and-mortar, computer vision and subscription expertise to avoid scaling mistakes.

Clementine Gazay, a French-American cybersecurity practitioner across New York, Paris and Miami, focuses on AI security (prompt injection defenses, AI risk management) and builds technical communities for CTOs and founders.

Elisa Steccaglia is a Senior Principal at White Star Capital, where she focuses on early-stage investments. Her investment interests include climate technology, financial technology, and business-to-business software-as-a-service companies.

Jennifer Bemert is a Berlin-based principal who serves as her firm's main early-stage investor, focusing on pre-seed/seed B2B software, developer tooling and data/AI infrastructure, and engaging hands-on with German founders.

Luc Jodet is a Venture Partner at XAnge responsible for web3 and crypto investments. He co-founded Arianee, a web3 platform serving luxury brands including Audemars Piguet, Breitling, Moncler, and Panerai, and founded BUYECO, a renewable energy marketplace.

Clémentine Gazay is a Senior Associate at XAnge, which she joined in 2024. She previously worked as a cybersecurity consultant at Deloitte, advising enterprise clients in North America and Europe, and later worked with the European venture funds Northzone and Picus Capital during their US expansion. French-American and raised in the US, she holds a BA from McGill University and an MBA from Columbia Business School.

Fadwa Ouardani is an investor and business angel at Leblon Capital who invests across sectors in early-stage companies in the US and Europe, with particular interest in deep tech. A former operator, she provides hands-on support to founders including fundraising assistance, hiring guidance, and strategic advice.

Ludovic Desgranges is cofounder and CEO of NewsCore, an AI-driven platform that aggregates and analyzes information from multiple sources to generate strategic intelligence for enterprise clients, government agencies, and SMBs. The platform uses AI agents to curate news, detect emerging market signals, and generate reports by cross-referencing proprietary and external datasets. Desgranges has a background in crisis management and venture capital, and publishes analysis on artificial intelligence, disinformation, and information warfare.

Lydia Seyler is a Senior Associate at XAnge focused on health, climate, and impact investments. She holds degrees from ESSEC Business School and UC Berkeley in Business Law, and has completed training in web development and data analysis. Previously she worked at BCG and is currently participating in the Included VC Fellowship.

Marine Gosselin is Community & Event Manager at XAnge, a European early-stage venture capital firm, where she organizes over 30 events annually and manages communications and content strategy. She previously worked in developer advocacy and community building roles at Taipy and Leboncoin, bringing that background to ecosystem development across founders, limited partners, partners, and operators.

Pierre Delannoy is a Senior Startup Success and Portfolio Operations Associate at XAnge, where he supports portfolio company development. He has held operations and strategic roles at Pennylane, STATION F, and XAnge, with focus areas in process optimization and automation.