Meet the Team

Get to know our leaders.

Keith Todd


Software-as-a-Service is integral to Keith Todd’s DNA. Roughly half of his 40-year career has focused on SaaS, spanning global technology businesses from publicly listed and large multinational companies to start-ups.

As TT’s CEO, Keith oversees day-to-day operations, driving the firm’s global growth strategy and execution.

Prior to TT, Keith served as CEO and remains Executive Chairman of KRM22. He was Executive Chairman and CEO of FFastFill, a global derivatives SaaS provider acquired by ION Group, as well as Executive Chairman of ION Agency Trading. His career also includes leadership positions with Marconi Defense Group and ICL plc, among others. He was also Chairman of the UK Broadband Stakeholder Group.

Keith was awarded the CBE (Commander of the Order of the British Empire) by the Queen of England for his services to the telecommunications industry. He is a fellow of the Chartered Institute of Management Accountants (FCMA).

Elise Fleischaker


Elise has spent her career helping technology companies drive awareness, pipeline and revenue growth through marketing.

As EVP Marketing, she leads TT’s global marketing organization, with responsibilities that include brand management, marketing communications, go-to-market strategies and demand generation.

Previous to joining TT in 2003, Elise was with Ketchum/Corporate Technology Communications, Datamax Corporation and Zebra Technologies. She also served two terms on the Illinois Technology Association Board of Directors.

Elise received her undergraduate degree in public affairs and mass communications from Indiana University.

Nick Garrow


Nick Garrow has spent more than two decades driving global technological and operational transformation in capital markets and prime brokerage.

As EVP Multi-Asset & Buy Side, Nick is leading Trading Technologies’ expansion into new asset classes beyond exchange-traded derivatives and a range of new services for the buy-side community.

Prior to TT, Nick held various executive positions at Societe Generale (SG) Prime Services including Global Head of IT and Operations and Global Head of Cross-asset Technology. His career has also included other senior technology transformation and sales roles with Newedge, Calyon Financial, Patsystems and the French futures exchange MATIF (now Euronext).

Nick received his undergraduate degree in economics and geography from Portsmouth Polytechnic and conducted post-graduate studies in international marketing at Buckinghamshire College.

Roger Mills


Roger Mills has a passion for detail that has driven him throughout his entire career in finance.

As Chief Financial Officer, Roger is responsible for all aspects of Trading Technologies’ financial operations and venture investments. Previously Roger served as EVP Finance and oversaw global financial reporting, planning, taxation, treasury and procurement. Prior to that, Roger served as the company’s controller.

A Certified Public Accountant, Roger has worked in financial positions with privately and publicly held companies including HealthStar and Oxford Health Plans.

Roger, who is a native of South Africa, received his MBA and undergraduate degree in International Business from the University of South Alabama in Mobile.

Patti Paladino

VP Americas Sales

Patti’s results-driven approach, thirst for knowledge, and genuine interest in clients and their success has fueled her career in sales for more than three decades.

Patti was hired as Trading Technologies' first account manager in 1999. Now as VP Americas Sales, Patti leads TT’s sales teams across North and South America with a focus on both buy side and sell side firms.

Prior to TT, Patti held roles at Reuters, Bloomberg, PaineWebber (acquired by UBS in 2000) and Prudential.

Patti received her undergraduate degree in economics from The College of New Jersey.

Alice Pocklington


Though she began her capital markets career in London, Alice’s roots have been firmly planted in Asia for more than a decade.

Alice is an expert at defining business strategies to drive growth, and at building collaborative working environments across teams. As EVP APAC based in Singapore, she oversees TT’s commercial efforts, business operations and staff throughout the Asia Pacific region.

Prior to TT, Alice gained broad experience with a number of capital markets technology companies, including FIS and more recently KRM22.

Alice earned her degree from The Queen’s College University of Oxford.

Mike Ryan


Mike Ryan has critical expertise in intellectual property, software agreements and contracts while understanding the needs of the business.

As EVP Legal & Business Operations, Mike is responsible for all legal matters affecting the corporation, including licensing, service and hosting agreements, consulting agreements, employment, property leasing and vendor contracts. In addition to his legal responsibilities, Mike manages TT’s Contract Management and Facilities departments.

Before joining TT, Mike was an attorney at Oppenheimer, Wolff and Donnelly, where he was a member of the insurance and general litigation departments.

Mike is a graduate of Kalamazoo College and DePaul University College of Law.

Jason Shaffer


Jason builds product solutions with learned insight and a dedicated focus on the trader.

As EVP Product Development & Head of Americas, Jason leads TT's global product management and product development. He also spearheads the strategy for new product development, product integration and experience for client-centric solutions, and he oversees business operations throughout the Americas.

Previously, he served as Line of Business manager for execution services and also led a group within TT's in-house trading entity focused on algorithmic commodity trading.

Jason graduated from the University of Michigan with a degree in computer science and an MBA from the University of Chicago Booth School of Business.

Vasco Sousa

EVP & Chief Services Officer

Vasco has spent most of his career in fintech, with a focus on achieving best-in-class service, operational optimization and customer satisfaction.

As EVP & Chief Services Officer, Vasco leads Trading Technologies’ drive for client service excellence, overseeing service architecture, support operations, global infrastructure, security and onboarding.

Prior to TT, Vasco held various positions at ION Group, including Chief Transformation Officer. He started his career in the City of London with Trayport, where he helped launch their SaaS offering.

Vasco, who is a native of Portugal, received his undergraduate degree in computer networks management and design from the University of Portsmouth in the UK.

Steve Stewart


Born and raised in South Africa, London-based Steve truly understands global business.

Steve moved to the United Kingdom after completing his military service to pursue a rugby career in the UK. Now as TT’s EVP Sales - EMEA & Europe Region Manager, he directs the company's commercial efforts throughout Europe, the Middle East and Africa, and he oversees all operations and staff throughout Europe.

Steve joined TT in 2005 from FutureSource, where he worked for 11 years in London. He started there as a sales executive, then moved to Managing Director.

Steve earned his degree from Hilton College.

Melissa Waitz

EVP Organizational Development and Effectiveness

Melissa focuses on optimizing the effectiveness of the organization and developing the capabilities of teams and people to serve customers into the future.

As EVP Organizational Development and Effectiveness, Melissa leads the development of process and operational excellence, project management, people development, internal technology systems and strategic acquisition integrations.

She has held various management positions at TT leading product and engineering project management teams, service delivery and support and has also served as Chief of Staff.

Prior to TT, she was a Consultant at Accenture in financial services and healthcare.

Melissa has an undergraduate degree in business administration from Loyola University of Chicago.

We set the standard for professional trading platforms

Amrita Basu

VP Training and UX

Jack Beckford

VP Global Support

Bevan Brookfield

VP TT Connectivity


VP Integrated Services

Diana Dumitru

VP Market Connectivity

Jessica Duggins


Daniel Feldman

VP Service Architecture

Jonathan Ferreira


Christen Harvey

VP Strategic Partnerships



Elmedina Musinovic

VP Platform Engineering

Rick Oakley

VP Service Management

Philip Ramus

VP Infrastructure & Managed Services

Scott Rubik

VP Research & Development

Julie Schraith

VP Security

Shridhar Sheth

VP Platform Services, Engineering & Managing Director India

Steve Smith


Rob Spiegel

VP Performance & Deployment, Engineering

Greg Szeszko

VP Trading Products

Tomo Tokuyama

Managing Director TT FX

David Widuch

VP Core Execution