Reverend Ronald Walter Keller of Chandler, AZ passed away Wednesday, September 17, 2014 in Chandler, AZ. Rev. Keller was born in Lancaster, PA, and was Founder and President of ARK Ministries of America. Survivors include sons Kenneth Michael Keller and Phillip Alan Keller, granddaughter Amanda Keller and brother Jon Keller. Services will be at 10:00 am Wednesday September 24, 2014 at Mountain View Cemetery, 7900 E. Main St., Mesa, AZ 85207