Jonathan ASSOULINE
Summary
Senior Trader and Portfolio Manager specializing in Corporate Trading, Dispersion Strategies, and Exotic Trading. Proven track record in managing large and complex Equity Derivatives portfolios with significant profitability. Expertise in leveraging Machine Learning techniques to enhance trading strategies and decision-making processes.
Overview
22
22
years of professional experience
Work History
Exotic Trader - Director
BMO Bank of Montreal
New York, NY
09.2025 - Current
- Managed Corporate Derivatives desk focusing on capped calls, overseeing several billions in notional.
- Established Dispersion activity from inception to support client flow, building inventory through optimization tools and transferring risk assets from exotic flow.
- Utilized relative value tools to optimize portfolio carry on illiquid assets.
- Designed processes for systematic pricing and hedging of non-replicable instruments.
Portfolio Manager
Garda Capital Partners
New York, NY
04.2022 - 08.2025
- Managed bespoke dispersion strategies of five to ten million vega using vanillas and exotic instruments to enhance portfolio diversification.
- Identified long-short volatility baskets through advanced optimization tools under basis constraints
- Developed systematic selection methods for dispersion baskets.
- Formulated hedged methodology with VIX and naked options for effective risk management, mitigating potential losses.
Equity Derivatives Broker
BGC Partners
New York, NY
05.2020 - 04.2022
- Established Equity Derivatives listed desk, improving trading execution and client engagement.
- Developed analytical tools to identify trading opportunities and provide actionable market insights.
Equity Derivatives Trader - Executive Director
JPMorgan Chase
New York, NY
08.2016 - 09.2019
- Established top-tier Dispersion franchise, enhancing modeling, pricing, and hedging capabilities.
- Expanded Dispersion flow through inventory building and custom basket proposals, capitalizing on volatility signals.
- Developed synergies with Corporate and Exotic book, optimizing trading strategies and reducing costs.
- Enhanced electronic options execution processes to achieve optimal performance.
Senior Trader - Director
Société Générale
New York, NY
06.2006 - 04.2016
- Head of the Corporate trading desk from 2008 to 2016: Pricing and managing call spreads (10 to 20 trades per year), developed and executed buyback programs (size up to $3 billion), managed prepaid forwards transactions.
- Directed exotic Single Stock trading desk, pricing and managing autocalls for US, Europe, and Asia flows, supporting diverse buy-side products (outperformance, vol target, DNT) from 2007 to 2011.
- Developed and led Dispersion book, trading Varswaps and Volswap, optimizing trading strategies from 2011 to 2016.
- Implemented marking methodologies and hedging strategies to mitigate long-term skew risk on call spreads, enhancing pricing accuracy.
LBO Analyst
HSBC Investment Banking
Paris, France
07.2004 - 07.2005
- Structured and executed leveraged buy-out transactions to optimize investment returns
- Modeled HSBC's rating tool for LBO to enhance transaction evaluation
Education
Master of Arts - Mathematics of Finance
Columbia University in The City of New York
New York, NY05-2006
'Ingénieur Civil' - Specialized in Economics And Finance
Ecole Nationale Des Ponts Et Chaussées
Paris, France05-2006
Interests
Speaker at Columbia University introducing Trading Strategies since 2014
Running (NYC Marathon PR: 3:23:38), Ski (Competition level), Reading, Drawing
Languages
French (Mother tongue), Hebrew (conversational), Spanish (conversational)
Timeline
Exotic Trader - Director
BMO Bank of Montreal
09.2025 - Current
Portfolio Manager
Garda Capital Partners
04.2022 - 08.2025
Equity Derivatives Broker
BGC Partners
05.2020 - 04.2022
Equity Derivatives Trader - Executive Director
JPMorgan Chase
08.2016 - 09.2019
Senior Trader - Director
Société Générale
06.2006 - 04.2016
LBO Analyst
HSBC Investment Banking
07.2004 - 07.2005
Master of Arts - Mathematics of Finance
Columbia University in The City of New York
'Ingénieur Civil' - Specialized in Economics And Finance
Ecole Nationale Des Ponts Et Chaussées