Howard Vlieger serves on the board of advisors for GMO Free USA/Toxin Free USA. Vlieger is a third generation family farmer who has been a “student of the soil,” studying why and how the soil works as it does, since 1989. Howard lives on the family farm where he was born and raised in northwest Iowa, and assists his son with some of the farming duties. Since 1992 Howard has been a crop nutrition adviser and has founded two companies to help family farmers reduce their dependency on chemical-based farming and transition to biological and/or organic production. Howard now works and teaches as an independent crop nutrition advisor, helping both crop and livestock farmers all across the U.S.