Diedrich Drill, Inc. is pleased to annouce the appointment of

Rob Caho as Director of Sales and Marketing

Mr. Caho was appointed Director of Sales and Marketing effective February 1, 2009

He has over 30 years of multifaceted background in Drilling, Management, Operations, Sales, Training, and Marketing.

Prior to joining Diedrich Drill, he worked with Bergerson Caswell Well Drilling Company for over 11 years as

Operations Manager responsible for Water/Geotechnical/Environmental Division.

His various roles have included Division Manager of Exploration Technology Inc., Owner/Operator of

Rocket Manufacturing, and Drill Foreman at Professional Service Inc.

He is past President of Minnesota Groundwater Assoc. and past President of Minnesota NDA Chapter.