Blue paper ship leading among white - Leadership | NSF International
NSF’s leadership team is responsible for defining and implementing our strategy and operations in line with our corporate mission.

Kevan Lawlor, President and Chief Executive Officer

Kevan P. Lawlor headshot

Kevan Lawlor has served as President and Chief Executive Officer of NSF International since 2003. He has been with NSF International for over 30 years, holding previous positions as Chief Financial Officer, Senior Vice President of Food Safety and President of NSF International Strategic Registrations (NSF-ISR). Under his direction, NSF International has become a global organization and continues to expand into new markets with added services in standards development, testing, certification, auditing, training and consulting. Under Lawlor’s leadership, NSF International has expanded to deliver services in 180 countries while helping governments, regulators, industry and consumers in critical areas to improve public health and the environment. He has served as Chairman of the Board for the American National Standards Institute, as a member of the Dean’s Advisory Board at the University of Michigan School of Public Health and on the Board of Trustees for Cleary University.

Karen Kreza, Vice President Human Resources and Chief Human Resources Officer

Karen Kreza headshot

Karen Kreza joined NSF International in 2018 and has 20 years of human resources experience. Prior to joining NSF International, Ms. Kreza worked at Honeywell International, where she held various roles of increasing responsibility, most recently serving as Global Senior Human Resources Director. She also worked at Chrysler LLC, providing leadership in all aspects of human resources, and at Robert Bosch LLC, a multinational engineering and electronics company where she developed a high-potential trainee program and a human resources web-marketing strategy, maximizing university relationships and increasing candidate flow.

Martin Lush, Vice President, Global Health Sciences Division

Martin Lush headshot

Martin Lush has over 40 years’ experience in the pharmaceutical and health care industries with specialized knowledge of all aspects of development, validation, manufacture and supply of vaccines, advanced therapeutics, combination products and biotechnology medicines. He has held global leadership positions in manufacturing strategy and operations, quality assurance, supply chain (resiliency) and logistics, and business improvement/optimization. Lush is a sought-after conference speaker and a global thought leader on the challenges facing health care in the post-COVID era (digital medicine, modernization of regulatory processes and governance, culture change and reshaping organizations to be more resilient). He has worked in over 50 countries and is a respected advisor to government agencies, investment institutions, health care foundations and industry C-suites.

Lesley Ma, Vice President and Chief Information and Continuous Improvement Officer

Lesley Ma headshot

Lesley Ma has strong experience in business transformation, IT strategy, digital innovation, large-scale program implementation and driving continuous improvement efforts in the oversight of NSF International’s IT and continuous improvement teams. Prior to NSF, Ms. Ma was Global CIO for General Motors’ Cadillac division, where she co-led a brand repositioning that was enabled by new digital experiences and customer/product engagement. She also served as CIO for GM’s ASEAN region on assignment in China. She led global initiatives including strategic insourcing and outsourcing, enterprise program and system implementations, acquisitions/divestitures and multimillion-dollar contracts for IT products and services. She serves on the NAFE Top Executive Roundtable, Ascend AEN Operating Committee and Society of Information Management, co-founded Women-in-Technology Group NYC (WinTEG) and is an advisor to technology innovators and educators

Angelo Petrillo, Vice President of Business Development

Angelo Petrillo, Vice President of Business Development

Angelo Petrillo brings 20 years of sales, service and operations experience to NSF. During his career, he has held progressively senior roles at global technology companies including IBM, Microsoft, Oracle and his most recent engagement leading pre-sales and sales support in LATAM for the world’s leading digital supply chain fulfillment provider, Blue Yonder (formerly JDA). Petrillo's diverse background includes expertise in digital transformation, artificial intelligence and machine learning, leading professional services, and multicultural, multiregional and emerging markets. He has led operations in Latin America, Africa, Europe, Asia and the U.S.

Dave Purkiss, Vice President Global Water Division

Dave Purkiss has over 30 years of experience in the water and plumbing industry. Purkiss is responsible for all of NSF International’s water programs worldwide, including offices in the U.S., Belgium, China, India, Korea and the UK. During his time at NSF International, he has worked on several major initiatives in the water industry including assisting in the development of NSF standards and certification programs. Purkiss is currently the chair of the American Water Works Association (AWWA) Polyelectrolytes Standards Committee.

John Rowley, Vice President Global Food Division

John Rowley, Vice President Global Food Division

John Rowley joined NSF International in October 2020, and leads all aspects of the global food business. He has 25 years of experience in the TIC and food sectors, including leading complex global businesses over the last seven years. Prior to joining NSF, Rowley was CEO of SAI Global Assurance, accelerating company growth and significantly enhancing its profitability. Before SAI, he spent eight years with the Lloyd’s Register Group, where he transformed the culture and performance of the global Quality Assurance & Inspection Services division and, preceding that, was Asia Pacific President. Previous to Lloyd’s, John spent 14 years with Ecolab Inc. in various key roles, ultimately leading the company’s business in Asia. He has been based in London, Sydney, Singapore, Shanghai and Hong Kong.

Julie Timmer, Vice President and Chief Legal Officer

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Julie Timmer is NSF’s Chief Legal Officer, and also leads NSF’s quality and corporate sustainability departments. As CLO, her role includes providing advice and counsel to NSF’s board of directors and senior leadership team, participating in long-range corporate strategy development, serving on NSF’s Ethics Committee and leading NSF’s enterprise risk management initiative. She manages NSF’s legal team in its role of advising NSF’s global business units and functional departments on the legal, risk and compliance aspects of business initiatives, policies, employment relationships and compliance issues. She also leads oversight for compliance programs, review and development of negotiated agreements, review of complex strategic transactions, and recommendations of creative strategies and solutions to assist global business units in achieving their goals.

Michael Walsh, Vice President and Chief Financial Officer

Mike Walsh headshot

Michael Walsh is a Certified Public Accountant and had 16 years of public accounting experience prior to joining NSF International in 2003. Walsh has both accounting and tax expertise and has worked in a variety of industries including manufacturing, service, governmental and nonprofit. As NSF International’s Chief Financial Officer, he oversees all global and domestic financial functions including accounting, acquisitions, budgeting, purchasing, facilities, insurance and treasury. Walsh has also served on the Board of Directors of various nonprofits, most recently the Humane Society of Huron Valley.

Scott Morris, Vice President Global Laboratories

Scott Morris Headshot

Scott Morris reports directly to Lawlor as a member of the senior leadership team. In his role as Vice President of Global Laboratories, he is responsible for ensuring the highest level of scientific testing, quality and assessment in lab operations. Morris has spent his entire career in laboratory services. Prior to joining NSF International, he served as President, Southeast, Westcoast and Drinking Water Services at Eurofins Environment Testing, where he oversaw sales and operations throughout the U.S. in addition to functions for the broader business. He has also previously held the position of Chief Operating Officer with TestAmerica Laboratories, Inc., which was acquired by Eurofins in 2018. Morris earned his bachelor’s degree in Environmental Planning and postgraduate diploma in Town & Country Planning from the University of Birmingham in Birmingham, U.K. He also holds a postgraduate diploma in Business Administration from the University of Warwick in Coventry, U.K.

Jahon Hobbeheydar, Vice President, and Chief Strategy and Innovation Officer

Jahon Hobbeheydar reports directly to Lawlor as a member of the senior leadership team. In his role as Vice President, and Chief Strategy and Innovation Officer, he is responsible for corporate strategy development, mergers and acquisitions, innovation, and standards development. Hobbeheydar previously worked for Cummins, where he led the strategy function and drove key strategic initiatives, including the navigation of technology disruption and uncertainty, organizational design and effectiveness, and organic and inorganic growth. Prior to joining Cummins, Hobbeheydar spent eight years with Liberty Mutual Insurance Company, where he worked in a variety of functional roles that included strategy, finance and risk management. Prior to this, he spent five years as a management consultant working for both Boston Consulting Group and Diamond Technology Partners. Hobbeheydar earned his bachelor’s degree in physics from Hamilton College and a master’s in physics from Yale University with a specialization in high-energy astrophysics.