DON LEWIS

Chief Executive Officer

With over 35+ years of experience in the industry, Don is the visionary leader behind Flowstone. His extensive knowledge and unwavering commitment drive our strategic direction and ensure we stay ahead of the curve.

FULL BIO – Don Lewis is a seasoned leader with over three decades of experience in the paper and disposables industry Most recently, he served as the President of Essity’s Professional Hygiene Business Unit, managing a $3 billion portfolio across 153 countries in the Americas, Europe, the Middle East, India, and Africa. His strategic vision and leadership were instrumental in the acquisition of Wausau Paper, propelling Essity to the top global market position. He also pioneered an omnichannel customer management approach and integrated IoT solutions into the product portfolio, driving innovation and customer loyalty. During his 30 years at Essity, Don was committed to sustainability, earning the company accolades like inclusion in the Dow Jones Sustainability Index and recognition by the UN for his work supporting their sustainable development goals.

In addition to his role in professional hygiene, Don led Essity’s consumer business for the Americas, overseeing significant growth and market expansion. His leadership drove the success of several consumer brands for which he spearheaded strategic acquisitions and investments, including a $220 million greenfield investment in Mexico, enhancing the company’s competitiveness​​.

Before joining Essity in 2002, Don was the Executive Vice President at Encore Paper, a startup based in upstate New York and began his paper career at Fort Howard Paper Company in Green Bay. His early career laid a strong foundation in the industry, which he built upon throughout his subsequent roles.

A graduate of Youngstown State University with an honorary PhD in Business, Don continues to contribute to the professional hygiene market through his roles with Cartess Investments, Don Lewis Consulting and as a member of several boards, including Rev1 Packaging, Sellers Absorbents, and the Red Cross of Eastern Pennsylvania.

JONATHAN DYER

President

Jonathan brings a diverse experience and a forward-thinking approach to Flowstone. With a hands-on approach and a passion for technology, Jonathan ensures our operations are streamlined and our objectives are met with precision.

DENISE VIVAS

Chief Marketing Officer

Denise is the mastermind behind our category management center of excellence which she leads with a blend of creativity and analytical prowess. She deploys her extensive expertise in brand strategy, digital commerce and category management to position our partner’s brands to win in the market.

FULL BIO – Denise Vivas is a trailblazing Digital Commerce executive with over two decades of proven success in steering businesses through transformative growth. Excelling in roles that demand an entrepreneurial flair, disruptive innovation, and disciplined execution, Denise’s strategic vision has redefined the omni-channel sales & marketing landscape across global markets.

After transforming eCommerce into a high-growth, profitable global channel for Lawn & Garden’s powerhouse, Woodstream Corp, she joined the iconic CPG leader, The Hershey Company. In this role, Denise positioned Hershey’s as the indisputable leader in the online confection space, earning public recognition from Amazon and the Advantage Survey, among others.

At Essity Professional Hygiene, a $3B+ B2B global leader of commercial hygiene solutions, Denise spearheaded the digital transformation agenda for the Tork Brand, driving unprecedented growth and enhancing online market penetration in North America and Europe. Her leadership was instrumental in developing omni-channel business capabilities, optimizing digital shelves, and launching a transformative workforce future-proofing initiative, significantly improving employee engagement, and advancing DEI efforts.

MIKE LEEMANN

Executive Vice President

Mike complements our leadership team with his dynamic approach and extensive commercial expertise in the professional hygiene market. His role focuses on building strong partnerships and driving initiatives that align with our core values and strategic goals.

GREG SANTAGA

Chairman

With a distinguished career spanning 38+ years, Greg has been instrumental in steering Flowstone’s strategy towards sustained growth and innovation. His vision and strategic oversight ensure we continually push the boundaries of what’s possible.

FULL BIO – Greg Santaga is a seasoned entrepreneur and business executive with over 35 years of experience in the paper and packaging industry. He is the founder and CEO of Green Bay Converting, a leading contract manufacturer of paper products serving major integrated suppliers and private label customers since its inception in 1999.

In 2005, Greg expanded his portfolio by acquiring Kimberly Clark’s converting plant in Hattiesburg, MS, which he transformed into Select Product Group. Under his leadership, Select Product Group became a top manufacturer of foodservice paper and packaging products for major quick-service restaurant (QSR) chains. Greg served as CEO until the company’s successful sale to Georgia Pacific in 2014. That same year, he co-founded Cartess Investment Partners, a private equity firm based in Dallas, TX.

Before establishing Green Bay Converting, Greg held senior sales and executive management roles with prominent companies in the paper industry, including Tufco, Fort Howard Paper, Scott Paper, and Kimberly Clark. He earned his BS degree from the University of Wisconsin Green Bay, where he was inducted into the Athletic Hall of Fame for soccer in 1998.