Meet our team of experts
One of the key differentiators between prime services providers is the team each has assembled to serve their clients. Our team is made up of experts from both the buy- and sell-side, fintech, and prime brokerage to provide you with a global perspective and problem-solving skills.
Learn more about the background of these financial professionals on BrokerCheck.
Michael DeJarnette
Managing Director & Co-head of StoneX Prime Services, StoneX Financial Inc. – BD Division
Prior to launching StoneX Prime Services, Michael served as Managing Director and Co-Head of Cowen’s U.S. Prime Brokerage services when they acquired ConvergeEx, where he was Executive Managing Director of ConvergeEx Execution Solutions. In this role, he managed operations and business development for ConvergeEx’s global clearing and prime services businesses. He has more than 20 years of experience in the financial services industry, with particular emphasis in prime brokerage.
Read MoreDoug Nelson
Managing Director & Co-head of StoneX Prime Services, StoneX Financial Inc. – BD Division
Prior to launching StoneX Prime Services, Doug was Managing Director and Co-Head of Cowen’s U.S. Prime Brokerage services. Prior to Cowen’s acquisition of ConvergeEx, he was Executive Managing Director of ConvergeEx Execution Solutions and Head of ConvergeEx's Global Clearing and Prime Services businesses. In this role, Doug managed ConvergeEx’s prime services and global clearing products and services offered in over 100 global market centers. He also served as a member of ConvergeEx’s executive committee.
Read MoreBenjamin Brown
Managing Director of Business Development of StoneX Prime Services, StoneX Financial Inc. – BD Division
Ben’s career spans over 20 years, 12 of which have been in prime brokerage. He has held various business development management roles at both ConvergeEx and Cowen. His buy/sell side trading experience gives him unique understanding of customers’ needs
Read MoreNicholas DeJarnette
Deputy COO, StoneX Financial Inc. – BD Division
Co-Founder of NorthPoint Trading Partners which was acquired by ConvergEx Group in 2009. Nick was COO of ConvergeEx Prime Services until it was acquired by Cowen. During his tenure with Cowen Execution Services LLC, Nick served as a Managing Director.
Read MoreMike McLoughlin
Head of Execution Trading of StoneX Prime Services, StoneX Financial Inc. - BD Division
Mike brings 30 years of institutional trading experience, working at DLJ, Credit Suisse & Prudential, and the last ten years in prime services with ConvergEx and Cowen. Currently he heads up the Execution Trading desk providing clients execution in multiple products, training and education in algorithms, order routing and EMS & OMS systems.
Read MoreLearn more about the background of these financial professionals on BrokerCheck.
Chris Edgar
Managing Director and Co-Head of Capital Introduction for StoneX Prime Services, StoneX Financial Inc. – BD Division
Chris was Managing Director on the Capital Introduction team and Head of the Business Consulting at Cowen Prime Services. Prior to that, he built and led the cap intro team at ConvergEx Prime Services which acquired North Point Trading partners where he played the same role starting in 1992.
Read MoreSteven Grabowski
Managing Director & Co-Head of Capital Introduction for StoneX Prime Services, StoneX Financial Inc. – BD Division
Steve has 15 years of experience in the investment management business. In his current role, Steve serves our outsourced trading and prime brokerage clients by providing consulting and capital introduction. Prior to joining StoneX, Steve was a managing director and an investment consultant with Cambridge Associates and Prime Buchholz where he worked with a wide range of endowment, foundation, and family office clients.
Read MoreLearn more about the background of these financial professionals on BrokerCheck.
John Nacincik
Managing Director, Head of Principal Equity Finance
John will lead the securities lending team as they arrange global lending, financing, and location services for StoneX Prime Services. Starting with UBS in 1987 and establishing their fully paid, conduit, and international lending operations, John has managed securities lending operations for a variety of firms, including, SunGard, Knight Capital, and ConvergEx, and most recently consulting with FIS Capital Markets’ on their securities lending and clearing solutions.
Read MoreLearn more about the background of these financial professionals on BrokerCheck.
Andrew Caplan
Head of Outsourced Trading, INTL Fillmore Advisors, LLC
Andrew heads the trading desk. He has 23+ years of buy-side and sell-side experience in institutional trading across the globe, notably at Barclays in Hong Kong, JP Morgan and Lehman Brothers in London, and Morgan Stanley in New York.
Read MoreJim Olsson
COO/CCO, INTL Fillmore Advisors, LLC
Running operations and compliance for INTL Fillmore, Jim has over 28 years of financial services experience. Before making the move to his current position, he was a Director in Prime Services for both Barclays and UBS in Hong Kong. Jim also served in the US Navy and is a veteran of Operation Desert Storm.
Read MoreTJ Durnan
Global Macro Trading, INTL Fillmore Advisors, LLC
TJ is based in New York and has over 15 years of buyside experience. He most recently worked at Soros Fund Management as Global Head of Macro Trading and previously Commonwealth Opportunity Capital as Global Head of Markets and Trading. He spent most of his career at Fortress Investment Group as Managing Director in various roles. TJ earned his BA from Duke University. He holds Series 7, 3, 63, 57, and 24 qualifications.
Read MoreJoe Bialous
Global Trading, INTL Fillmore Advisors, LLC
Joe’s 15 years of buyside experience has taken him to Hong Kong, London and finally settling in New York trading products across the capital structure. Most recently, Joe was Head of Trading at Slate Path Capital and ran trading at TPG Axon Capital.
Read MoreBill Cox
Managing Director - Outsourced Trading, INTL Fillmore Advisors, LLC
Bill is based in New York where he trades globally. Bill has over 25 years of industry experience and has worked on both the buy and sell sides. Prior to joining StoneX, Bill spent the majority of his career with Credit Suisse as a position trader and a member of the NYSE. Bill holds the Series 7, 63, 24, 3, and 4 qualifications.
Read MoreBradley Kleinman
Director - Execution Trading, INTL Fillmore Advisors, LLC
Based in our Atlanta office, Brad brings nearly 15 years of industry experience. Prior to joining StoneX, he worked as an institutional equity trader and market maker at Hovde Group. He has also worked in various roles at Luxor Capital Group and J.P Morgan in NYC.
Read MoreDerek Meitzer
Global Macro Trading, INTL Fillmore Advisors, LLC
Derek is based in New York and has been in finance for 8 years. He recently worked at Light Sky Macro as Vice President of Trading, where he spent most of his career. Derek served 5 years in the United States Marine Corps, including a deployment to Iraq. Derek earned his BA from New York University and his MBA in Finance at NYU’s Stern School of Business. He holds the Series 63, 57, 3, and 7 qualifications.
Read MoreElliot Bullock
US/EU Trader, INTL Fillmore Advisors, LLC
From our Park City, UT office, Elliot specializes in trading global equity markets. He has 15 years capital market experience, working extensively in both Asia and the US. Elliot has held the CFA® designation since 2015.
Read MoreJamie White
Managing Director - Outsourced Trading, INTL Fillmore Advisors, LLC
Jamie specializes in trading Asian and European markets. He has over 15 years of capital markets and investment banking experience executing and trading equities, equity-linked products as well as equity derivatives in Asian markets. Jamie has worked for Merrill Lynch AP, Barclays Capital AP & Credit Suisse AG in Hong Kong through Singapore, London and Shanghai. Jamie earned his BSc. In Finance from University of South Carolina where he was also a NCAA student athlete. He holds the Series 7, 57 & 63 in addition to the SIE.
Read MoreJean Marie Poster
Global Trading, INTL Fillmore Advisors, LLC
Jean Marie is based in New York and has over 17 years of buyside experience trading and sourcing public and private investments across the capital structure. She most recently worked for a family office as their Head Trader. Previously she was a Managing Director and Head Trader at JANA Partners and earlier in her career Head Equity Trader at PartnerRe Asset Management. Jean Marie received her B.A. in Economics from Princeton University in 2004. She has her Series 7, 63, 57, and 3 qualifications.
Read MoreJoseph Khalil
Global Macro Trading, INTL Fillmore Advisors, LLC
Joseph Khalil is an experienced macro trader with over 12 years of buyside experience. He worked at both discretionary and quantitative macro and multi-strategy firms. He held several senior trading roles globally (in New York and Hong Kong), including a number of years at Soros, Laurion Capital, and Graham Capital. He has expertise across asset classes including fixed income, currencies, commodities, and equities. Joseph received a B.S. in Mathematics, MBA in Finance, and an M.A. in Diplomacy and International Relations from Seton Hall University. He was also awarded a Financial Engineering Graduate Certificate from Stevens Institute of Technology. He holds Series 7,3, 63 and 57 qualifications.
Read MoreNoah Garland
Managing Director - Outsourced Trading, INTL Fillmore Advisors, LLC
Noah has 15+ years of experience of sell-side and buy-side experience, with a focus on global equity markets. In his prior role, Noah was Head of International Trading for Cowen in London, where he was located for seven years. In this role, he focused on EMEA and APAC equity markets, ranging from developed, emerging and frontier.
Read MoreWill Nuckols
Managing Director - Outsourced Trading, INTL Fillmore Advisors, LLC
Will is based in New York and manages operations for INTL Fillmore. He has over 18yrs of trading and operations experience. Most recently, he was Senior Sector Trader at Instinet/Nomura. Will earned his BA from Elon University. He holds the Series 7, 3, 4, 24, 57 and 63 qualifications.
Read MoreLuke Fletcher
Managing Director in Outsourced Services
Luke has over 20 years of capital markets and investment banking experience, executing transactions across equity-linked, equity, credit, credit derivative, FX, rates and commodity markets globally. Luke worked previously at Barclays, Nomura and Lehman Brothers in Hong Kong, and for Citigroup in London.
Read MoreWith our Boots-on-the-Ground presence in our clients’ markets and our hands-on approach to understanding their businesses from the inside out, StoneX professionals are able to help clients discover new market opportunities, manage market risk, and achieve results they may not have been able to on their own.