Company

Four founders from risk, clearing and technology.

Nexara brings together practitioners of counterparty risk and market infrastructure with engineering.

Leadership

The people who built the platform.

Portrait of Alexia Weiller

Alexia Weiller

Co-founder and Chief Executive Officer

Designs how expert counterparty risk judgement is encoded, validated and delivered.

CIB risk management · Private credit · Transformation
Portrait of Baptiste Beaurain

Baptiste Beaurain

Co-founder and Chief Technology Officer

Leads product engineering. More than twelve years in capital markets post-trade, across listed derivatives clearing and prime brokerage.

Post-trade · Clearing · Engineering
Portrait of Chris Topple

Chris Topple

Co-founder and Chief Revenue Officer

Leads commercial strategy and revenue. Three decades across market infrastructure, prime brokerage and inter-dealer broking, with relationships across the institutions Nexara serves.

Market infrastructure · Prime brokerage
Portrait of Gonzague Bataille

Gonzague Bataille

Co-founder and Chief Product Solution and AI Research Officer

Former Deputy Chief Risk Officer, Markets, and Group Chief Risk Officer, ALM, at Société Générale. Leads product design and AI research across markets, liquidity and balance-sheet risk.

Market risk · ALM · Product · AI research
Advisors

Mélanie Ellie

Strategic advisor, positioning

Commercial positioning and brand. Keeps Nexara legible to the institutions it serves: the register, the proof points and the discipline of saying less, better.

Careers

Building the team.

Nexara is hiring forward-deployed engineers and risk specialists who want to encode expertise into production systems. Roles and briefings are shared on request.

Get in touch

Briefing

Sixty minutes on the live platform.

A working session under NDA with the founders who build it.

Request a briefing

© 2026 Nexara · Private distribution