Meet the Team

Get to know our leaders.

Keith Todd

CHIEF EXECUTIVE OFFICER

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

EVP MARKETING

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. She also is the executive co-sponsor of TT’s DEI committee.

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.

Roger Mills

CHIEF FINANCIAL OFFICER

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.

Bharat Mittal

CHIEF TECHNOLOGY OFFICER

Throughout his decades-long career, Bharat has immersed himself in all aspects of software engineering, from software design, development and network engineering to testing and deployment.

Today as Chief Technology Officer, Bharat drives TT’s overall technology strategy. He oversees all aspects of TT’s global engineering enterprise encompassing software engineering, quality engineering, and network and systems engineering. He previously served as EVP Engineering and Architecture.

Prior to joining TT, Bharat held software engineering roles at Siemens Healthcare, Corel Corporation and Wipro.

Bharat, who is a native of India, received his undergraduate degree in computer science from National Institute of Technology Karnataka.

Philip Ramus

EVP & CHIEF INFORMATION OFFICER

Philip is adept at implementing the latest technology trends to bolster day-to-day operations, streamline business functionality and maximize productivity.

As EVP & Chief Information Officer, Philip oversees all aspects of TT’s global technology implementation and management, with responsibility for leading the operations, security and IT organizations.

Philip previously served as VP Infrastructure. A UK native, he started his TT career in London before relocating to Chicago in 2005. Prior to that, he worked for Sakura Bank, now known as Sumitomo Mitsui Banking Corporation (SMBC).

Philip received his undergraduate degree in computer science from North West Kent College of Technology.

Ashley Reiner

EVP HUMAN RESOURCES

With a passion for people, leadership and diversity, Ashley is devoted to nurturing and invigorating culture and employee development through mentorship, innovation and seamless execution.

As EVP Human Resources, Ashley oversees TT’s global day-to-day HR functions, talent acquisition, payroll, health/welfare benefits, compensation/rewards, immigration and strategic HR initiatives. She also spearheads the company’s diversity, equity and inclusion efforts.

Ashley received double undergraduate degrees in communications and sociology and a masters in communications from Northern Illinois University, and has been certified as a Professional in Human Resources (PHR) since 2006.

Mike Ryan

EVP LEGAL & BUSINESS OPERATIONS

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.

Guy Scott

EVP & CHIEF REVENUE OFFICER

Guy Scott is a problem-solver who honed his global sales skills over three decades.

As Trading Technologies’ EVP & Chief Revenue Officer, Guy oversees the company’s worldwide sales and customer success organizations and leads business development and commercial partnerships. He previously served as EVP Global Head of Sales. Prior to that, he was Managing Director Sales Americas, responsible for sales operations throughout the Americas, serving as the primary lead on sell-side relationships and buy-side sales.

Before joining TT, Guy worked in London and Chicago for FutureSource.

Guy earned an undergraduate degree and a post-graduate certificate from Leeds Metropolitan University.

Jason Shaffer

EVP PRODUCT MANAGEMENT

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

As EVP Product Management, Jason leads implementation of TT’s various lines of business for the trading platform, infrastructure and data. He also spearheads the strategy for new product development, product integration and experience for client-centric solutions.

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.

Steve Stewart

EVP SALES - EMEA & EUROPE REGION MANAGER

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 SERVICE DELIVERY & ACQUISITION INTEGRATION

Melissa focuses on building high performing teams and a culture of continuous improvement.

As EVP Service Delivery & Acquisition Integration, Melissa identifies areas where change is needed to optimize our teams, workflows and tools for greater organizational effectiveness. She guides the executive team and inspires engagement in our teams to drive change on product delivery, processes and strategic issues throughout the organization.

Prior to holding various product and engineering project management positions at TT, she served as a Consulting Manager 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

Jessica Duggins

VP TEST ENGINEERING

Daniel Feldman

VP NETWORK AND SYSTEMS ENGINEERING

Christen Harvey

VP PLATFORM SERVICES

Matt Duffey

VP PRODUCT INTEGRATION

Mark McClowry

VP BUSINESS INTELLIGENCE

Elmedina Musinovic

VP SITE RELIABILITY ENGINEERING

Bobby Revis-Pyke

VP CUSTOMER SUPPORT & IMPLEMENTATION

Scott Rubik

VP MARKET CONNECTIVITY

Julie Schraith

VP SECURITY & INFORMATION TECHNOLOGY

Shridhar Sheth

VP PLATFORM SERVICES

Rob Spiegel

VP PERFORMANCE & DEPLOYMENT

Greg Szeszko

VP TT CONNECTIVITY

David Widuch

VP EXECUTION SERVICES