His current research focuses on consumer understanding and factors that influence whole grain consumption. Research conducted by his group—introducing whole grain foods into the diets of school children—has been instrumental in establishing approaches for gradually delivering whole grain food through the school meals program. While at General Mills, he led the company's research in the health aspects of whole grains. He received the James Ford Bell Technical Leadership Award and the General Mills President's (Champion) Award for his contributions. Len is the founder and president of the Grains for Health Foundation. The Foundation's focus is to facilitate communication and integration of science and technology into the grains supply chain and to help deliver more grain‐based foods to consumers that more closely meet dietary guidance.