Julie Schertell, President & Chief Executive Officer - Greater Atlanta Area

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Julie Schertell is Mativ’s President and Chief Executive Officer and serves on its Board of Directors. Formerly President and Chief Executive Officer of Neenah, Inc., she has held numerous leadership positions within the company over the last 14 years, including Chief Operations Officer, Segment President of Technical Products and Fine Paper & Packaging, and Vice President and General Manager of Fine Paper & Packaging. 

Julie began her career at Georgia-Pacific in 1992 as a Financial Analyst for Consumer Products. While at Georgia-Pacific, she served in several roles over her 16-year career there, including Vice President of Sales and Marketing Strategy, Vice President of Supply Chain, Director of Sales Operations and Director of Financial Planning and Analysis.

Julie graduated from Florida State University’s College of Business in 1991 with a BA in Accounting and received her MAcc degree from the University of Georgia’s Terry College of Business in 1992.

Omar Hoek, Chief Operations Officer - Luxembourg

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Omar Hoek is Mativ’s Chief Operations Officer and is the former Executive Vice President of the Engineered Papers Division of SWM International.

Prior to joining SWM International in 2020, Omar held multiple roles at Ahlstrom-Munksjö from 2011 to 2019, including Executive Vice President of Specialty Business Area and Group Research and Development and the Executive Vice President of Strategy. He also held roles at Newell Brands and Avery Dennison in Europe. 

In addition, Omar was a member of the Board at Ahlstrom Non-Woven India and on the Supervisory Board of Ahlstrom Specialties in France. He also served as the Chair of the Board for Ahlstrom, Yulong Special Paper Co. Ltd. in China, and as the Director of the Ahlstrom Chirnside Ltd. in the UK. He is currently Vice Chair of the EDANA nonwoven association.

Omar received his BA in Communication from Hogeschool NARAFI in 1989 and holds an MBA in Management and Operations from OUBS.

Andy Wamser, Chief Financial Officer - Greater Atlanta Area

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Andy Wamser is Mativ’s Chief Financial Officer and is the former Chief Financial Officer of SWM International. Having served in this position since 2018, his career spans more than 25 years of varied experience in financial management and business leadership. Prior to his time at Mativ, Andy held multiple titles at AutoNation, mostly recently serving as the company’s Vice President of Finance and Treasurer.

Earlier in his career, Andy served as Managing Director, Investment Banking for Barclays Investment Bank, in addition to other investment banking roles at Barclays and UBS Investment Bank.

Andy attended Washington University in St. Louis’s Olin Business School, where he received his MBA in Finance and Accounting in 2001.

Sarma Malladi, Chief Information Officer - Greater Atlanta Area

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Sarma Malladi is Mativ’s Chief Information Officer. He formerly served as SWM International’s Chief Information Officer, joining the company in 2018. 

Prior to his time with SWM International, Sarma held various executive and key leadership technology roles with multiple large, global organizations including Chemtura Corporation, where he served as Vice President and Chief Information Officer, and Tyco Integrated Security, where he served as Vice President of Information Technology. Throughout his career, Sarma has worked with IT functions, business strategy and development and is best known for his track record of building strategic value for multi billion-dollar corporations.

Sarma received an Engineering degree from the Indian Institute of Technology, Kanpur and holds a Masters in Technology from the same institution.

Ricardo Nuñez, Chief Legal Officer and Chief Compliance Officer - Greater Atlanta Area

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Ricardo Nuñez serves as Mativ’s Chief Legal Officer and Chief Compliance Officer, and formerly served in the same position at SWM International since 2016. 

Ricardo began his legal career in the Miami, Florida, office of Steel Hector & Davis (now Squire Patton Boggs). He then transitioned to in-house practice at Esso Inter-America, Inc., and went on to serve in positions of increasing responsibility at General Electric Company and The Home Depot, including serving as Senior Vice President, General Counsel and Chief Compliance Officer at HD Supply, Inc.

Ricardo received his BSE in Entrepreneurship and Marketing in 1986 from the University of Pennsylvania’s Wharton School and received his Juris Doctorate degree from Columbia Law School in 1989.

Natalie Poteran, Chief Transformation Officer - Greater Atlanta Area

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Natalie Poteran is the Chief Transformation Officer at Mativ.

Prior to joining Mativ, she served as the Americas Vice President of Finance for Interface from 2016 to 2022.

Over her nearly 30-year career, Natalie has held various key corporate and business financial roles with large global companies. During her 16-year tenure at Newell Brands (formerly Newell Rubbermaid), Natalie held a series of senior positions in different areas of the business, including Senior Vice President of Development Finance and Vice President of Corporate Finance, leading the company’s Business Planning and Analysis team. Earlier in her career, she held leadership roles with Intercontinental Hotels Group, W.R. Grace, United Technologies, Cigna Healthcare and Deloitte.

Natalie received her undergraduate degree from Quinnipiac University’s School of Business in 1994.

Mike Rickheim, Chief Human Resources Officer & Administrative Officer - Greater Atlanta Area

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Mike Rickheim is the Executive Vice President, Chief Human Resources Officer and Chief Administrative Officer of Mativ and served in the same role for Neenah, Inc.

Prior to joining Neenah, Inc., in 2020, Mike served as the Chief Human Resources Officer for Newell Brands, a Fortune 250 consumer goods company. Before his promotion to Chief Human Resources Officer, he held various roles of increasing responsibility related to human resources business partnership, talent acquisition, talent development, employee engagement, inclusion and diversity and communications. He has also served on numerous Boards of Directors for a variety of non-profit organizations, including the Naismith Awards & Atlanta Tipoff Club, Atlanta Sports Council, The Newell Brands Foundation and the Direct Employers Association.

A graduate of Bowling Green State University, Mike also completed the Modern Chief Human Resources Officer program at Cornell University’s School of Industrial & Labor Relations.