Dave and Betty were approved as missionaries to Ecuador by the World Baptist Fellowship Mission Agency in 1974.  In May, 2000 Dave became Assistant Mission Director for the Mission Agency.

Dave is a 1974 graduate of Arlington Baptist College.

The Schemberas were married in Whitewater, Kansas in 1965. Their sending church is the Newspring Church of Wichita, Kansas along with Pleasantview Baptist Church of Arlington, Texas

They served the Lord for many years in Ecuador establishing churches and teaching in Bible Institutes.  In February 2000, Dave was asked by the Mission Committee to consider leaving Ecuador and assuming the position of Assistant Mission Director.  Dave spends much time teaching new missionaries and helping the new missionaries to expedite the deputation time.  He also serves other missionaries in many areas as well as the local churches.    He is also teaching mission and Bible courses at the Arlington Baptist College.

 They have two children - Kristi and Brian and four grandchildren, Cristina, Megan, Dillon and Shane.