Management Team


Oliver Lemanski

Chief Executive Officer

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Oliver has extensive experience building and growing international service supply chain businesses. Oliver held the position of Managing Director EMEA for five years at OnProcess, successfully driving year-on-year growth in the region while establishing strategic relationships with Elekta, HPE, Cisco, Varian, SAP Ariba and others. Prior to OnProcess, he held various executive roles at TNT, including Global Head of Service Logistics, where he ran the commercial side of a €150m+ business focused on technology, medical device and industrial markets; and Industry Marketing Director, where he led commercial salesforce and value proposition transformation efforts. Earlier in his career, Oliver set up MGH Consulting’s APAC practice which provided aftermarket strategy and implementation support to clients in the technology and logistics markets. Oliver holds a Degree and Masters from University of Southampton, UK and is an alumnus of IMD Business School in Switzerland.

Chris Rezendes

Chief Revenue Officer

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Chris has an 18-year track record of growing revenues for services and technology companies. He leverages his leadership, sales, marketing and customer service expertise to drive OnProcess’ expansion across multiple markets. Before joining OnProcess, Chris held a variety of executive positions including Chief Commercial Officer and, earlier, Chief Sales and Marketing Officer at Windham, Chief Sales Officer at CSS, Vice President and Managing Director of Sales at Convergys Corporation, and Director of Sales for Americas at Amdocs Inc. He is a former United States Marine Corps Officer and Naval Aviator and a graduate of Bridgewater State University

Menno Dros

General Manager, EMEA

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Menno Dros is the OnProcess EMEA Managing Director. Menno has extensive experience in Aftermarket and Service Operations. Prior to his role of EMEA Managing director Menno held the position of Senior EMEA Account Manager. Menno’s previous positions include European Key Account Manager at TNT, Senior Account manager at Experis Group and Branch manager at Securitas. Menno earned his BA in Bachelor’s Degree in Communications Management at HU University of Applied Sciences Utrecht.

Michael Stann

Chief Operating Officer

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Michael has more than 20 years of experience leading and growing BPO organizations and global contact centers. His expertise includes inbound and outbound sales, both in customer care and tech support operations. Previously as Managing Director of Xerox Services’ commercial healthcare call centers, where he headed a division of 14,000 representatives who handled 50 million annual customer interactions. Michael’s key to success has been to operationalize strategies to reduce expenses while delivering exceptional customer experiences and greater return for clients.

Meave O’Marah

Chief Financial Officer

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Meave earned her Bachelor’s degree from Harvard College and went on to earn a Master’s in Business Administration & Entrepreneurship from Babson College.  She has served as Financial Lead and CFO in various private & public organizations.  Meave brings to OnProcess strategic direction, an entrepreneurial approach to financial management, and a seasoned, cost effective approach to operational solutions.. 

Rick Lunetta

Senior Vice President, Global HR

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Rick is a seasoned human resources executive with more than 20 years in the field. He leads OnProcess’ global HR strategy, including HR planning, employment, training, compensation, benefits, organizational development and employee relations. Prior to OnProcess, Rick held senior-level HR positions in financial services and health care, where he built both regional and national HR infrastructures. He holds a B.A. in Philosophy, a Masters in Theology and a Masters in Human Resources Management and Development. Rick is well-respected within the human resource community as a concerned and active HR professional, consultant and board member, including serving on Needham’s Personnel Board.

Douglas S. Tripp

General Counsel

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Doug leads the legal and regulatory compliance areas for OnProcess and has a rich and diverse legal/compliance background, including more than 20 years of experience in the full range of information technology and business process outsourcing transactions. Prior to joining OnProcess, Doug spent many years in private practice, providing clients with outsourcing industry expertise as well as lending know-how in a number of areas, including banking, commercial transactions, and financial restructuring. Doug brings a business-centered results-oriented focus and is passionate about advancing OnProcess as an industry-leading global service provider.