Tim Byrd

Tim graduated from Davidson County Community College in Lexington North Carolina in 1976. He spent the next 15 years working in several aspects of the feed industry including retail, manufacturing, transportation, and field representative. This time was divided between manufactured feeds and brewery by-products. He worked with all species of animals but his main focus was on dairy cattle. In 1991, he moved to Ohio and worked with brewery and wet corn milling by-products. Here he also worked in the pet food industry developing a business for brewers yeast products. In 2005, Tim started ATB Specialty Products, Inc. and works as a manufactures representative for several companies. Having a good relationship with Malcolm Ballard, he worked as a sales agent for Feedworks USA, Ltd during the start-up years and became a partner in 2007. Tim and his wife Pamela live in Hamilton Ohio.

Malcolm Ballard

Malcolm graduated from Nottingham University in 1981. Following a brief period working in the UK Feed Industry Malcolm returned to Nottingham to complete a Masters Degree in swine nutrition and then joined a French Japanese Company in France involved with amino acids. After several years in Europe acting as the Technical Manager covering many Western and Eastern European countries Malcolm moved to the USA with the same company to help promote the use of amino acids in the North American Feed Industry. Several years later, with a diverse knowledge of both the Feed Industry and customer base, branched out on his own and created The Ballard Group, Inc. Through this company, Malcolm developed a working relationship with Feedworks (Pty) Ltd in Australia and they set up Feedworks USA.

Peter Williams

Peter graduated from the University of Newcastle, England in 1977. This was followed by two years on farms in the USA, two years in the Ministry of Agriculture in New Zealand, and six years working around the World as a photo-journalist, concentrating on writing feature articles for livestock and farming magazines. Back in the UK, he worked in UK Agribusiness companies in sales, marketing, sales training, and management. In 2002 he was moved to the USA to set up the distribution of a range of feed additives. After six years of experience in North America Peter started his own business, Advantec Associates, Inc. The new company targeted successful technologies from overseas, bringing them to the United States to evaluate their potential benefits to livestock here. If offering significant cost benefits to producers in the USA Advantec would seek distribution rights ( Having a close relationship with both Feedworks (Pty) Ltd, Australia, and Malcolm Ballard in the USA – both of whom had similar business plans – it was a natural extension for Peter to join Feedworks USA Ltd. in 2007. Peter lives in Davis, California.

John Clark

John Clark represents Feedworks USA in the Northeast and Mid Atlantic States. John is a native New Yorker, holds degrees from SUNY Cobleskill and Cornell University (Bachelors and Masters) in agricultural business and animal science. He has spent 25 years in the dairy industry and maintains his proficiency through PAS (Professional Animal Scientist certification). John has a network of contacts throughout his region. John has enjoyed bringing new technology in the nutrition and animal health area to producers and he is excited about the Feedworks product line up. His focus has been on providing unique, profitable and proven solutions through sensible distribution.

He and his wife, Pat, have a small farm, raising & marketing Fresh American Lamb and summer grazing cattle. They enjoy riding pleasure horses and driving draft mules. John would enjoy hearing from you 315-868-5646.

Rod Riewer, DVM

Rod Riewer represents Feedworks USA in the Midwest including the states of North and South Dakota, Minnesota, Wisconsin, and Iowa. Rod attended North Dakota State University for 3 years before entering veterinary school at the University of Minnesota. He graduated with his D.V.M. degree in 1984.

Dr. Riewer has been providing traditional veterinary services, herd management services and nutritional services to the livestock industry for 27 years.  During this time he has seen many changes in livestock production and his career focus has changed along with it. He started his career in veterinary practice, and entered the feed industry 14 years ago. Dr. Riewer started Livestock Production Technologies LLC in August of 2012 and began representing Feedworks USA at that time. Dr. Riewer’s experience is primarily with the dairy industry, with additional ties to the beef, pork, and poultry industries. His goal is to “promote products and technologies that are profitable for livestock producers, friendly to our planet, and beneficial to the animals that provide for us”. All of the Feedworks products fit this goal. Dr. Riewer also works as a dairy management and nutrition consultant. He feels that we can best serve the nutritional needs of our growing world population by being efficient in livestock production while doing the best that we can to provide for the wellbeing and health of the animals that serve us. Rod lives in Hutchinson, MN with his wife Ann and children, Abby, Ben, and Nick. To learn more about Livestock Production Technologies LLC visit

Jorge Noricumbo

jorge-noricumbo2016-1104Jorge graduated from the National Autonomous University of Mexico (UNAM) with a veterinary degree in 1991. He attended graduate school at Massey University in New Zealand and graduated with an MSc in Animal Science. He worked in Mexico for a feed company as a dairy specialist. In 2005 he moved to Washington State and working for the same feed company as a dairy nutritionist. In 1997 he moved to the Central Valley of California working for a pharmaceutical company as a milk quality specialist, focusing on teamwork amongst producers, consultants, and employees in order to achieve their target goals for milk quality. Jorge joined the Feedworks team in October of 2016 and currently works in California.

Ned Dunbar

Ned grew up on a ranch in Southwest Texas. He graduated with a Bachelors and a Masters in Animal Science from Angelo State University concentrating his studies in Ruminant Nutrition and Reproduction. Upon graduating in 2006, he worked at Lyssy & Eckel Feeds where he learn the feed business and honed his nutrition skills. Since 2010, he’s worked in the beef and dairy industry in the South Central US. Ned is still involved in his family’s ranching operation and helps when possible. Ned currently resides in Texas with his wife and two kids.

Glenn Smith

Glenn graduated from the University of Kentucky with a BS in Animal Science in 1989. Glenn has served the feed industry in Kentucky, Indiana, Ohio, and Michigan for over 25 years. From 1991-2010 he worked as a Dairy and Beef Consultant for Kentucky Nutrition Service in Lawrenceburg, Ky. From 2010-2017 Glenn worked for the Precision Dairy Nutrition Team at Perdue Agribusiness in Salisbury, Maryland. Mr. Smith is also part-owner and operator of “Sons of Thunder Farm” in Nicholasville, Kentucky. When Glenn is not working, he enjoys showing dairy cattle and cheering on the Kentucky Wildcats with his wife, Sue Lou, and daughters, Emily and Amy Kate.

Amy Espenscheid

Amy graduated from the University of Wisconsin Platteville with a degree in Agri-Business with an emphasis in Marketing. Amy has been in the feed industry for over 15 years while working as an account manager throughout the mid-west. With her six years with Land O’Lakes Purina Feeds as an Account Manager, Amy ran diets for feedlot, cow/calf, and show feeds along with projections for the feedlots. Amy lives in SW Wisconsin on her family farm raising registered Hereford cattle. When Amy is not working she enjoys traveling nationwide with her two daughters exhibiting and selling cattle.

Mike Parsley

Mike graduated in 1988 from the University of Kentucky in Animal Sciences with a minor in Agronomy. He spent his first 20 years in the swine industry with two regional Midwestern feed companies in their production management, R&D, and technical service segments of the business. He has extensive experience in swine facility design, production systems management, customized feed formulation as well as leadership and training programs for
swine production employees. During the next 12 years, he leveraged his experience with two global feed additive companies with a focus on sales and marketing of products in the area of swine and poultry nutrition and health technologies. Mike brought his global industry network
and expertise to the Feedworks USA team in January 2020 and is our Technical Sales Manager – Monogastric for North America.

Mike and his wife, Karen, live and operate a family farming business near Sheridan, Indiana that includes consulting services, row crop, and forage production, and locally raised beef and lamb. They have three beautiful children Ethan (Rachel), Seth, Katherine, and a granddaughter Emmaline! You can reach him at 765-438-9600.


Mark Wilson

Mark received his BS degree from Iowa State University. He earned his master’s and Ph.D. degrees in reproductive physiology at the University of Kentucky.  He was a professor at the University of Minnesota, Waseca for 11 years and was awarded the Morse Amoco Award for undergraduate education, while also coordinating the swine research at the Southern Experiment Station.  He spent nine years as director of technical service at United Feeds overseeing boar and sow research. Mark spent seven years as vice president of technology transfer at Minitube of America. For the past 13 years, he has been a member of the Swine Research and Nutritional Services Team for Zinpro Corporation.  Mark is an adjunct professor for the University of Wisconsin and the University of Minnesota. He has been fortunate to have presented in more than 45 different countries on topics of swine, inflammation, stress, lameness, and nutrition on the impacts of reproduction and lactating sows. Mark’s goal is to be a servant to others. The opportunity to work for long-term friends at Feedworks USA is a gift that is so special. He and his wife, Molly, raised three daughters. They currently enjoy spending time with their three grandchildren, boating, waterskiing, and biking. They currently live in McFarland, WI (a suburb of Madison, WI).

Tom Gall

Tom received his B.S. degree at Southern Illinois University in 1978 in Animal Husbandry and M.S. from Michigan State University in Swine Nutrition and Management in 1980. After setting up a ruminant reproduction research lab at the University of Missouri and operating it for 3 years, Tom returned to the swine industry and focused on artificial insemination with positions ranging from managing a production lab at a boar stud to sales and technical service manager for a major AI supply company working in all livestock species, and, finally, for the past 25 years holding various positions with a large Midwest swine production company. His various duties over the years ranged from building and operating a large boar stud to managing gilt production and genetics to overseeing the research program for the company. Tom took an early retirement opportunity in late 2020 and, not being able to sit around on the beach, joined Feedworks USA with a focus on the swine industry. He has always enjoyed conducting research and is looking forward to helping potential customers set up trials and interpret data from those and other trials already published.

When not out working with customers, Tom enjoys hunting and fishing and he and his wife, Mary Ann, especially enjoy spending time with their four grown children and many grandchildren (8 and counting). Tom can be reached at 319-759-4738.