Meet Our Leadership Penn and Heather Clark Penn is the founder and president of the network and  Heather acts as  secretary. E-Mail: penn@penn-clark.com Elton and Nancy Erb Elton and Nancy have provided valuable wisdom for every ministry that the Clarks have established. E-Mail: eltonerb@yahoo.com Phil and LaReta Riehl Phil is the business manager of the network and LaReta is the treasurer. E-Mail: phil@oakhillbulkfoods.com lareta@oakhillbulkfoods.com