Senior Leadership

Bill Curtis, Executive Vice President of Sales - CMC Group

Bill Curtis is a seasoned leader with over 30 years in the food service industry, including more than 20 years at CMC Group, where he has played a key role in driving growth and long-term success. Known for his collaborative leadership and strategic insight, Bill has built strong teams and lasting client relationships throughout his career.

A proud father of three sons—all first responders—and a devoted grandfather, Bill resides in Holly, Michigan, where he actively volunteers with veteran and first responder charities.

He co-founded and served as Chapter Coordinator for Heroes on the Water in Southeast Michigan and now continues to support the chapter while also serving with Team Rubicon, a global disaster relief organization.

Tammy Corral, PHR, SHRM-CP, Vice President of Employee Benefits, Law & Community Relations - CMC Group

Tammy Corral, PHR is a Vice President of Employee Benefits, Law & Community Relations at CMC Group, Inc. Tammy began working for CMC Group in 1989 and was involved in the development of their Human Resources department. She was promoted to a variety of jobs within HR, from Manager to Director, and was ultimately named a Vice President of the company in 2003. She has over 36 years of experience in the HR profession. Her former work experience was for a payroll service company.

Under Tammy’s leadership, the CMC Group HR department was the recipient of the 2010 HR Management Excellence Award presented through the University of Toledo. Tammy was also a finalist for the 2002 HR Management Excellence Award. She has presented at the NW Ohio HR Conference (THRAC), the American Society for Training and Development, and also at some local organizations and companies. She is a graduate of Davis College and also attended the University of Toledo. Tammy has been an active member of SHRM since 1995 and has held an active PHR certification since 1996.

Tammy enjoys donating her time to many causes and has served as President of TAHRA, Chair for Adopt America Network, Chair for the Wood County Workforce Policy Board, and President of Management Forum. She has previously served on the boards of the American Cancer Society and Community Employment Resources for Woodlane. Tammy has also been involved with the Bowling Green Chamber of Commerce, Leadership BG, Toledo Human Resources Area Conference (THRAC), BGSU Coop Advisory, and the YWCA.

Seth Hill, Vice President of Global Operations and Supply Chain - CMC Group

Seth Hill is the Vice President of Global Operations and Supply Chain for CMC Group. Seth started his career at CMC Group in 2003 in the Receiving and Shipping department. Over the course of eight years, he moved into the leadership team at the company’s distribution center and was promoted to Distribution Manager. He became Executive Director of Manufacturing and Distribution in 2016 before settling into his current position in October of 2023. 

An avid cyclist, Seth volunteers as an instructor for a local youth mountain biking organization. He is also the Co-Founder and President of Wheelie Good Cause, a nonprofit dedicated to expanding the cycling community and supporting cancer research and treatment initiatives.

Outside of work, Seth and his wife, Rachel, enjoy an active family life with their three children Gretchen, Bridgette, and Carter. They are passionate about the outdoors and are active members of Calvary Church in Maumee, Ohio. The Hill family are enthusiastic Penn State football fans and attend games whenever they can.

Kelly Stalica, Executive Director of Organizational Development - CMC Group

Kelly Stalica is the Executive Director of Human Resources for CMC Group. Kelly has been with CMC Group since 2013 and held a variety of roles in the Human Resources Department before earning her Master’s of Organization Development in 2021 and subsequent promotion to Executive Director. A passion for learning, people and creating and maintaining effective workplaces, her personal work statement is “Joyfully working towards the betterment of self and others with wisdom and care”.

Kelly and her husband, David, have two boys: Elijah and Alexander and enjoy golfing, skiing, and anything that allows them to spend time together.

Deb Duvernay, Vice President of Sales - DayMark Safety Systems

Deb DuVernay is the Vice President of Sales for DayMark Safety Systems North America. With over 19 years of experience in the food industry, Deb brings a deep understanding of operations, strategy, and customer experience to every leadership opportunity. Throughout her career, she has held key roles that span supply chain, product development, and team leadership—always driven by a commitment to quality, efficiency, and innovation.

Deb is passionate about building strong, collaborative teams and fostering a culture of continuous improvement. Whether leading large-scale initiatives or working one-on-one to mentor emerging leaders, she believes that empowering people is at the heart of sustainable success.

Outside of work, Deb is a proud parent of two wonderful kids and the human to two energetic dogs. When she is not in the office, you’ll likely find her on the water with a fishing rod in hand—her favorite way to recharge and reconnect with nature.