Mitchel Rona, Executive Vice President #GlobalSourcerer
Tom Whittington, Sales Manager
Jeremy Allen, Southwest Regional Sales Manager
Stuart Box, Vice President of Engineering
Ajay Roy, Global Engineering Manager and Business Development
Steve Kreiser, Product Engineer
Jose Nieves, Associate OEM Business Manager
Kathy Searles, Product Development Manager
Melissa Perrine, Business Development Assistant
Kelly Grant, Customer Service Manager
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Mitchel Rona, Executive Vice President #GlobalSourcerer
Mitchell has 30 plus years’ experience with SIGMA, working in various aspects of global and domestic sourcing. He specializes in supplier relationship management, business and product development, global supply chain, and sales, with particular expertise in cradle to grave sourcing and supply to US based OEM businesses in the fluids industries as well as the industrial castings space. Mitchell leads with a fierce dedication to customer service, a rapid assessment of critical issues, and a commitment to teamwork. He holds a Bachelor’s degree from the University of Delaware and an MBA from Rutgers University. He can be reached at MR1@sigmaco.com or 609-498-6078. -
Tom Whittington, Sales Manager
Tom has over 30 years of experience in the field, with the last few at SIGMA OEM. Prior to that, he owned and operated Whittington Associates, a manufacturers’ representative company that focused on casting, forging, machining, and fabrications. Tom holds a B.S. in Mechanical Engineering from the University of Massachusetts. His deep expertise, international industry contacts, and strong engineering background make Tom a tremendous asset to our customers. Tom can be reached at twhittington@sigmaco.com or 401-447-7138 -
Jeremy Allen, Southwest Regional Sales Manager
Jeremy has been in the OEM business since 2007. He started as a Plant Manager for a firm that sold primarily SIGMA product, learning the business from the inside. Jeremy developed expertise in product development, engineering, vendor relations, manufacturing international sourcing, and materials handling, and was soon promoted to Outside Sales Manager, where he continued to deal with a majority of SIGMA product. As a result, joining SIGMA OEM n 2015 was a natural progression, and Jeremy looks forward to serving SIGMA OEM customers in the southwest. Jeremy can be reached at jallen@sigmaco.com or 713-298-6448 -
Stuart Box, Vice President of Engineering
Stuart has worked as an engineer in waterworks manufacturing for nearly 40 years. He oversees SIGMA’s industry-leading quality assurance program, and he is charged with monitoring all product design, innovation, testing, and product release into the market. Stuart has developed systems to identify issues before they happen, and has implemented proactive programs to address them. His manufacturing expertise makes him the ideal leader for SIGMA OEM’s global suppliers, and he ensures that the product arrives to the customer in top quality condition. Stuart holds a Bachelor’s degree in Mechanical Engineering and a MBA from the University of Alabama Birmingham. Stuart can be reached at sb2@sigmaco.com or 256-414-4239 -
Ajay Roy, Global Engineering Manager and Business Development
Ajay been in the waterworks engineering sector for 14 years. He focuses on guiding SIGMA’s supplier base to improve their productivity and quality assurance systems, as well as strategically supporting on business development efforts. Ajay also provides engineering reviews and support to expedite SIGMA’s growing volume of business. Ajay also develops and implements Management Action Plans to support our ongoing and new business. He holds an Engineering degree from Auburn University and an MBA from Emory University. He can be reached at ar2@sigmaco.com or 1-800-999-2550 x 1330. -
Steve Kreiser, Product Engineer
Steve has been working in the engineering world since 2007. He has expertise in product and parts design, drafting, quality control, and managing supplier relationships to ensure that all customer specifications are understood and met. He is deeply involved in technical matters, and takes proactive steps to make the entire process from design to delivery smooth and efficient. Steve holds a Bachelor’s degree in Mechanical Engineering with a minor in Physics from Wilkes University. He can be reached at skreiser@sigmaco.com or 1-800-999-2550 x 1777. -
Jose Nieves, Associate OEM Business Manager
Jose provides additional end-to-end resources and infrastructure for the OEM division. He helps manage supply chain, customer interactions, inventory, finance, product development and analytics. Jose holds a BA in Economics and a minor in Business Administration from Rutgers University. He has sales, service, and management experience, which translate well in his role at SIGMA OEM. He can be reached at jnieves@sigmaco.com or 1-800-999-2550 x 1272 -
Kathy Searles, Product Development Manager
Starting as receptionist in June 1991, Kathy moved to SIGMA OEM in 1996, and has continued to serve SIGMA OEM and its customers successfully since then. A master at multi-tasking, Kathy handles product development, special projects, quoting on all OEM inquiries, follow up with engineering on any and all technical questions, and coordinates supply chain, engineering, and customer communications. Kathy can be reached at kg1@sigmaco.com or 609-498-6781 -
Melissa Perrine, Business Development Assistant
Melissa has been with SIGMA for 12 years, starting in the Accounting Department, and then moving to SIGMA OEM. Her stellar interpersonal and organizational skills make Melissa an essential member of the SIGMA OEM team. She is known for her constant willingness to put forth extra effort to ensure accurate, prompt service for SIGMA OEM customers. Melissa can be reached at mp1@sigmaco.com or 609-241-7480 -
Kelly Grant, Customer Service Manager
Kelly has been a member of the SIGMA OEM team for 15 years, starting as a Department Assistant and working her way up to Customer Service Manager. Her role is to ensure that customer needs are met promptly and professionally—which means she wears many hats. Kelly works with inventory, shipping, sales, imports, and accounting to monitor all aspects of customer transactions. Her efforts maintain SIGMA OEM’s commitment to efficiency, reliability, and industry leading customer service. Kelly can be reached at kf3@sigmaco.com or 609-447-3321