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

Pedro Sancha, President and Chief Executive Officer

Pedro Sancha Headshot

Pedro Sancha serves as President, CEO and Director of NSF since March 2022. Sancha joined NSF from Ecolab where he was senior vice president and general manager of the Industrial Digital Group and led the Global Light Industries division. Prior to joining Ecolab, Sancha spent 14 years with Shell, where he held senior leadership positions in general management, sales, marketing, supply chain, strategy, and business development. He began his career as a business consultant with Arthur Andersen. Sancha has extensive international experience, having lived, and worked in Northern Africa, Europe, Asia Pacific, and the U.S. He earned master’s degrees in Engineering from the Polytechnic University of Madrid and the Ecole des Ponts Paristech in France, and a master’s degree in business administration from Harvard University.

Sean Etheridge, Vice President and Chief Legal Officer

Sean Etheridge

As NSF's Vice President and Chief Legal Officer, Sean Etheridge advises and counsels the NSF leadership team and Board of Directors on the legal, risk and compliance aspects of business and policies. He oversees NSF’s quality and compliance programs, negotiates complex strategic transactions and recommends strategies and solutions to assist global business units and functional departments, ensuring the company’s ability to operate globally to advance NSF's reputation and mission.

Etheridge has nearly two decades of experience in the legal field. He joined NSF from Stryker Corporation, where he served as Vice President and Corporate Secretary since 2020. He held multiple leadership roles overseeing global legal and compliance operations after joining the Fortune 250 company in 2014, including public company reporting, securities offerings, board of directors and shareholder practices, business development and global subsidiary management.

Prior to Stryker Corporation, Etheridge worked in private practice where he focused on corporate law. He earned his Juris Doctor from the University of Michigan Law School, preceded by a Bachelor of Arts in Political Science from the University of Michigan.

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

Karen Kreza headshot

Karen Kreza joined NSF in 2018 and has 20 years of human resources experience.

Prior to joining NSF, 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.

David Lonza, Vice President, Global Health Sciences Division

David Lonza Headshot

David Lonza brings three decades of global compliance, regulatory, and scientific consulting experience to NSF. His previous experience spans the pharmaceutical, biotechnology and medical device industries. In past roles he was responsible for supporting clients globally through the acquisition and delivery of large-scale programs. David is a U.S. Navy veteran and has lived internationally in Switzerland, Germany and Italy.

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’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

Scott Morris, Vice President Global Laboratories

Scott Morris Headshot

As Vice President of Global Laboratories, Scott Morris 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, 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.

Angelo Petrillo, Chief Commercial Officer

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’s water programs worldwide, including offices in the U.S., Belgium, China, India, Korea and the UK. During his time at NSF, 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, Senior Vice President, Global Food and Industrial (ISR) Divisions

John Rowley, Vice President Global Food Division

John Rowley joined NSF in October 2020 and leads all aspects of the global Food and Industrial (ISR) divisions. He has over 25 years of experience in the TIC, food and water industries, including leading complex global businesses for the past nine years. Prior to joining NSF, John Rowley was CEO of the PE-backed SAI Global Assurance business, where he led its turnaround enabling it to be subsequently divested at a significantly enhanced value. Before SAI, he spent eight years with the Lloyd’s Register Group, where he transformed the culture and financial performance of the global LRQA business and, preceding that, was the group’s Asia Pacific President. Preceding Lloyds Register, John Rowley spent 14 years with Ecolab Inc in various sales and global accounts leadership and general management roles, ultimately leading the company's business in the Asia region. John Rowley has been based in London, Sydney, Singapore, Shanghai and Hong Kong where he currently resides.

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 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’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.