Rosenthal Collins Group Management Team

 

Meet the people who inspire, conduct and manage the day-to-day business of Rosenthal Collins Group. Across the board, our management team has witnessed first-hand how the futures industry has evolved—from the trading floor to electronic trading, from brokerage firms to exchanges and regulators—and uses that experience to guide Rosenthal Collins Group on a daily basis.

Jason Manumaleuna

Chief Executive Officer

Patrick Carey

Executive Vice President, Head of Operations

Michael Conti

Executive Vice President & Chief Legal Counsel

Brian Gaffud

Executive Vice President, Business Development

K.Sean Frey

Executive Vice President, Chief Financial Officer

Cary Musser

Executive Vice President, Head of Strategic Asset Management

Matthew Straight

Executive Vice President and Chief Information Officer

Jason Manumaleuna

Chief Executive Officer

We take great pride and effort in everything we do, both big and small.”

Jason Manumaleuna brings over 20 years of futures industry experience to his role as Chief Executive Officer of Marex’s RCG Division. Prior to the acquisition of RCG’s customer business by Marex, Jason served as Rosenthal Collins Group’s President and Chief Financial Officer. In this role, he was responsible for all finance functions including accounting and treasury.

Jason began his career as an auditor at the Chicago Mercantile Exchange in 1997. He left the CME in 1998 to work as the Controller for LFG, LLC, which later became a division of Refco. In 2005, he left Refco and joined Calyon Financial as Assistant Controller and was promoted to Controller within one year. He later joined MF Global and worked in its internal audit department. He then moved to R.J. O’Brien & Associates in 2008, becoming Chief Financial Officer in 2010. As CFO at R.J. O’Brien, he witnessed the two-fold growth of the firm’s customer segregated funds and helped navigate through the industry’s new enhanced customer protection rules.

Education and Professional Certification

  • Bachelor of Arts in Accounting, University of Illinois at Chicago


Patrick Carey

Executive Vice President, Head of Operations

RCG’s experience is second to none; it’s exciting to be part of an organization that offers so much to the industry.”

Patrick was appointed Executive Vice President and Head of Operations after RCG’s merger with Marex. Prior to this, Patrick was Executive Vice President, Strategic Implementation for Rosenthal Collins Group. In that role, he is charged with spearheading important initiatives designed to enhance RCG clients’ experience and foster continued innovation. He joined RCG in 2002 as a runner on the Chicago Board of Trade’s grain floor and has been part of the team ever since. He was one of the first employees on the eHelp Desk and eventually took over management of all 24-hour electronic trading support operations and execution services.

As his role within the organization continued to grow, Patrick assumed the role of Senior Vice President of Operations in 2015. In that position, he led coordination between clients, vendors and exchanges on a variety of industry initiatives including market data reporting and pre-trade risk management. In keeping with the firm’s focus on high-touch service, he helped initiate its Risk Electronic Limits Management System (RELMS), an RCG offering enabling its broker community to manage pre-trade limits across its most common trading software.

Education and Professional Certification

  • Bachelor of Arts in Economics, DePaul University
  • MBA in Operations Management & MIS from DePaul’s Kellstadt Graduate School of Business
  • Series 3


Michael Conti

Executive Vice President & Chief Legal Counsel

We’re an industry incubator and have an eye for talent.”

Michael Conti joined Rosenthal Collins Group in 2010 as Associate General Counsel and now, as Chief Legal Officer, oversees all litigation matters.

Mike came to the firm following several years as a market regulation attorney for CME Group, where he capitalized on his vast knowledge of current and historical rules, policies and procedures at the National Futures Association, Commodity Futures Trading Commission and the futures exchanges. At CME Group, Mike was a prosecutor for the enforcement group, managed the arbitration programs, trained employees regarding rules and acted as counsel to the Chicago-based arbitration committee panels.

When he was in private practice, Mike focused on litigation, compliance and contract negotiation for firms and individuals within the futures industry.

Education

  • Bachelor of Science, University of Illinois
  • Juris Doctor, Northern Illinois University

 


Brian Gaffud

Executive Vice President, Business Development

We strive to provide our clients with consistent, high-touch service so they can focus on growing their business.”

Brian Gaffud joined RCG in 2004 as Senior Associate in Business Development, managing the firm’s retail foreign exchange (FX) operation, and developing and introducing new client relationships. His role expanded over the years as he helped to grow and build strong partnerships with RCG’s introducing broker network, with promotions to Vice President, Business Development in 2014 and Executive Vice President, Business Development in November 2017. He is now responsible for all sales, marketing and relationship management, including overseeing relationships with key constituents such as introducing brokers, commodity trading advisors, commodity pools and other FCMs.

Brian began his career at United Airlines in Chicago with a role in revenue management, focusing on pricing and yield strategy for its Pacific Division. He later forecasted traffic demand, conducted route planning and evaluated code-share partnerships for the airline’s International Planning department. UBS Warburg recruited him to the firm’s New York office as an associate on the Airline Equity Research Team, focusing on major U.S. airlines.

Education and Professional Certification

  • Bachelor of Business Administration in Finance, University of Notre Dame
  • Series 3
  • Previously held Series 7 and 63 licenses


K. Sean Frey

Executive Vice President, Head of Finance and Treasury

K. Sean Frey joined Marex North America as the Head of Finance and Treasury in January 2021. In this role, Sean oversees the accounting, treasury, and FP&A functions for the firm. Sean brings over 20 successful years of broker-dealer and FCM experience to this appointment.

Sean started his career as an intern for the Securities and Exchange Commission in Washington DC in the Office of Compliance, Investigations, and Examinations. He moved to Chicago for a role in the Market Regulation Department of the CBOE. Sean entered the proprietary trading industry as the Chief Accounting Officer at Market Liquidity Network. He then joined Ronin Capital, LLC and built the Accounting, Fixed Income Operations, and Treasury departments. Sean transitioned to ABN AMRO Clearing Chicago as the Head of Treasury and Securities Finance before moving into the Head of Equity and ETF Operations role. Most recently, Sean was the Director of Treasury at PEAK6 Investments.

Education and Professional Certification

  • Bachelor of Business Administration in Finance, University of Notre Dame
  • MBA in Finance and Economics, University of Chicago Booth School of Business
  • FINRA Series 27 license


Cary Musser

Executive Vice President, Head of Strategic Asset Management

Details matter – if you do enough small things right, big things are better positioned to happen.”

Cary Musser joined RCG in 2017 with 30 years of investment management and security lending experience, most recently at Wells Fargo Asset Management. Prior to joining RCG, Musser served for nearly seven years as Client Relations Director – Balance Sheet Asset Management Team for Wells Fargo Asset Management. He previously was Chief Investment Officer & Treasurer for R.J. O’Brien & Associates from 2007 to 2010. From 1995 to 2007, he was Managing Partner and Senior Portfolio Manager for Horizon Cash Management, LLC in Chicago and then Senior Relationship Manager for David Vaughan Investments, Inc. in Peoria, Ill. Musser began his career on the floor of the Chicago Mercantile Exchange as an Arbitrage Clerk for Drexel Burnham Lambert before joining Continental Bank, where he spent eight combined years as a Security Lending Trader, Fixed Income Analyst and Associate Portfolio Manager on the Short-Term Asset Management Team.

Education and Professional Certification

  • Bachelor of Business Administration, Illinois Institute of Technology
  • MBA in Finance and International Business, DePaul’s Kellstadt Graduate School of Business
  • Previously held Series 3, 6, 63, 65 licenses


Matthew Straight

Executive Vice President & Chief Information Officer

Leadership means embracing innovation and creating business enablement.”

Matt brings more than 20 years of futures and financial industry experience ranging from data platform systems, to high-frequency/low latency trading groups, to FCM IT infrastructure. He has deep experience architecting, building and operating 24x7x365 mission critical IT infrastructure environments.

Matt spent nearly a decade with Hyperfeed Technologies designing, implementing and supporting data distribution systems from multiple financial exchanges as its Vice President of Operations. Matt then managed the IT needs of ITG Derivatives, a multi-asset Broker Dealer and financial technology provider, before becoming the Senior Director of IT Infrastructure for R.J. O’Brien & Associates.

Prior to joining RCG in early 2017, Matt was Executive Director of Financial Solutions at the Burwood Group, where his focus was providing solutions to complex business challenges faced by trading and execution firms as well as software development companies.

Education

  • Bachelor of Arts, Information Technology Program, Western International University