Ryan Walicki



Ryan is responsible for sustaining and growing Nitor’s presence in North America, as well as working closely with clients to assist them in achieving their objectives. His experience in spend management at various levels of management provides a 360 degree view into spend management strategy and execution.

Prior to joining the Nitor Team, Ryan led procurement teams at various points along their respective spend management journeys with a focus on strategy, sourcing and technology platform consulting.

Ryan graduated from Ohio University in 2004 with a BA in Business, minoring in Economics. He completed his MBA in 2005 at the same institution.

Gary Stoddard



Gary provides leadership on the business strategy and development of Nitor. He provides clients experience across the Source-to-Pay spectrum including: spend assessment, category management, strategic sourcing, contract negotiations, supplier management and procurement transformation projects.

Gary has over 20 years of procurement experience across many industries. Prior to joining Nitor, Gary had a 10-year career at Rolls-Royce where he held management positions in global procurement, supply chain operations and customer business. Gary then managed a procurement consulting firm specializing in strategy, sourcing and cost savings. Gary has extensive international experience, including managing projects in Italy, Spain, France, Israel, South Africa, England and the Americas. He has delivered significant procurement transformation programs that have improved performance, increased supply chain resilience, and delivered over $800m in sustainable savings.

Gary holds a Bachelor of Arts (Honors) degree in Business Economics from Nottingham Trent University in England.

Mani Mangalathumadam

Practice Leader – Delivery


Mani has over 18 years of source to pay experience across consulting, technology and outsourcing spanning multiple industry sectors. Mani has deep experience in end-to-end supply chain including spend analysis, strategic sourcing, category management, contract management, procurement, accounts payable, inventory management, and material planning & logistics.

Prior to joining Nitor, Mani worked and consulted for some leading global brands including Ford Motor Company, The Coca-Cola Company, KPMG, Wipro Technologies, and Cognizant Business Consulting. Mani has extensive international experience and has managed projects in Japan, EMEA, Latin America and India. He has led variety of process improvement and business transformation engagements, and has successfully managed local and global implementations in Sourcing and Procurement.

Mani holds a Bachelor of Engineering degree in Mechanical Engineering and a CPIM certification from APICS.

Wendy Troeger



Wendy Troeger brings over 25 years of experience in corporate finance and procurement leadership. She has been recognized for her ability to develop teams, as well as implement efficiencies and cost savings by collaborating with multiple disciplines. At Nitor, Wendy leads the BPO practice which provides clients with remote, scalable resources to achieve business objectives.

Prior to joining Nitor, Wendy held leadership roles in the restaurant and consulting services industries. While at McDonald’s Corporation, she was integral in creating and implementing the spend management initiative for Indirect Spend.

Wendy holds a Bachelors of Science degree in Accountancy from Northern Illinois University, and is a CPA.