LAKE SUCCESS, N.Y. — Christopher J. Boever and Robert Gulliver have been named to new positions at the Hain Celestial Group, Inc., while Gary W. Tickle, chief executive officer of Hain Celestial North America, will step aside.

Mr. Boever has been hired as chief customer officer. In his new role he will be responsible for driving the sales and customer agenda in the United States, as well as helping ensure Hain Celestial transforms its innovation capabilities.

Mr. Boever has more than 20 years of consumer packaged foods industry experience, most recently as executive vice-president and chief customer officer and president of food service at Pinnacle Foods Corp. Prior to Pinnacle he was senior vice-president of consumer products at ConAgra Foods (now Conagra Brands) and earlier was vice-president of sales and business development at Hormel Foods Corp.

He received a bachelor’s degree in marketing from the University of Wisconsin — Whitewater.

With the hiring of Mr. Boever, Hain Celestial said that Mr. Tickle will leave the company after a brief transition. Following Mr. Tickle’s departure, Hain Celestial’s North American organizational structure will be streamlined, and the c.e.o. of North America role will be eliminated. Mr. Boever and Mark L. Schiller, president and c.e.o. of Hain Celestial Group, will assume the majority of Mr. Tickle’s previous responsibilities, the company said.

Mr. Gulliver has been named chief human resources officer. He has more than 25 years of human resources leadership experience, most recently as chief human resources officer for the National Football League. He earlier spent six years at Wells Fargo in a variety of roles, including executive vice-president and head of human resources, wealth, brokerage and retirement services. Additionally, he worked in H.R. roles at Citi, PwC, GE Capital and GTE (now Verizon).

He received a bachelor’s degree in industrial and labor relations at Cornell University and a master’s degree in business administration at The Tuck School of Business at Dartmouth.

“I am excited to welcome Chris and Robert to the Hain Celestial leadership team,” Mr. Schiller said. “I have had the pleasure of previously working with Chris where he successfully executed significant business transformation initiatives, including developing a customer-centric culture focused on building brands through product innovation, margin enhancement and key metric accountability to generate stockholder value. Chris will be instrumental in reinvigorating our growth in the United States through his decades of experience and relationships with our customers.

“Robert’s diverse resume will serve Hain Celestial well as we further cultivate our entrepreneurial culture and build a world class team across our global organization. People are our most important asset, and Robert will be focused on sourcing and developing talent and building capabilities to support our growth agenda. Robert brings the experience and knowhow to build a world-class human resources function at Hain Celestial to help us build a high-performance team and support our transition to a disciplined, process-driven organization.”