Expertise
Gontran de Quillacq, the Managing Partner of Navesink International, is both a trading floor veteran and an expert witness / legal consultant.

He is a recognized authority in equity & index options, VIX, futures, swaps, trading, derivatives, structured products, complex securities, portfolio management, mathematical finance, quantitative investments, and strategy research in the wider segment of alternative investments and hedge funds.

Qualifications
FINRA arbitrator, Series 7, 55, 63 (lapsed)
FCA/SFA registered representative
NFA arbitrator
Registered as a trader on most European exchanges

Education
HEC, MS management, 1995
UC Berkeley, Visiting scholar, differential algebra, 1993
Sup'Elec, PhD classes (DEA), 1993
Stanford Research Institute, International Fellow, atomic physics, 1992
ENS Lyon, MS theoretical physics, 1992
Ecole d'Application du Train, officer school, 1991
Lycee Faidherbe, CPGE, 1989
Gontran de Quillacq  

Managing Partner, Navesink International
444 River Road
Fair Haven, NJ 07704

Work: 646-844-1789
Cell: 732-533-9066
gdequillacq@navesinkinternational.com
www.navesinkinternational.com/
LinkedIn
Expertise
Gontran de Quillacq, the Managing Partner of Navesink International, is both a trading floor veteran and an expert witness / legal consultant.

He is a recognized authority in equity & index options, VIX, futures, swaps, trading, derivatives, structured products, complex securities, portfolio management, mathematical finance, quantitative investments, and strategy research in the wider segment of alternative investments and hedge funds.

Qualifications
FINRA arbitrator, Series 7, 55, 63 (lapsed)
FCA/SFA registered representative
NFA arbitrator
Registered as a trader on most European exchanges

Education
HEC, MS management, 1995
UC Berkeley, Visiting scholar, differential algebra, 1993
Sup'Elec, PhD classes (DEA), 1993
Stanford Research Institute, International Fellow, atomic physics, 1992
ENS Lyon, MS theoretical physics, 1992
Ecole d'Application du Train, officer school, 1991
Lycee Faidherbe, CPGE, 1989

Navesink International offers expert witness services for topics related to the financial markets, including

→ Equities, fixed income, commodities, cryptocurrencies

→ Trading, options & futures, complex securities

→ Quantitative and fundamental analysis, portfolio constructions, investment risks

→ Hedge funds, equity finance, prime brokerage

→ Market manipulation, trading losses, tax arbitrage…

We have both affiliated experts and a large network of experts able to cover a swath of topics and cases. We have a proven capacity to find uniquely qualified talents by drawing upon our industry network, rich of many thousands of experienced industry professionals.

For instance, we sourced expertise for cases centering on

→ Standards of custody agreements for a hedge fund trading tax liens,

→ Cost of capital and RWA calculations associated with stock loans,

→ Transaction cost analysis for cryptocurrency execution venues.

Curriculum Vitae