Industry experts with 100+ years combined experience


Hunter Vegas

 Wunderlich-Malec Engineering
Hunter Vegas has worked in the automation industry for over 30 years and has executed over 2,000 automation projects in the nuclear, pulp and paper, and specialty chemistry industries.  He is a frequent contributor to several controls magazines and recently co-published his first book, “101 Tips for a Successful Automation Career” with Greg McMillan.  Hunter currently works for Wunderlich-Malec as a Project Engineering Manager and lives in North Carolina.

George Lister


George learned his love for systems as a digital satellite communications technician in the Submarine Service USN. He has over 30 years of experience in the process industries as a Control Systems Technician.  He is a Senior Life Member of ISA and an advocate of technical certification contributing to the development of certification programs for ISA, the Electronic Technician’s Association – International, and CompTIA.  He is Past-Chairman of the ISA Certified Control Systems Technician Steering Committee. He currently serves as Vice-President of the ISA South Texas Section and Faculty Advisor for the ISA Corpus Christi Student Section.  George is the Program Coordinator for Industrial Instrumentation at Del Mar College in Corpus Christi, Texas.


Roy Tomalino


Roy Tomalino has been teaching calibration management for almost 20 years. Throughout his career, he has taught on 4 different continents to people from over 40 countries. His previous roles include Technical Marketing Engineer and worldwide trainer for Hewlett Packard and Application Engineer with Honeywell.  Today, Roy is a Beamex Calibration Evangelist. His primary mission is to demystify calibration and teach best practices through consultation, training, live webinars and educational videos.


Patrick Zhao

Patrick Zhao, Corporate Instrument & Analyzer SME Engineer for Braskem, has worked in developing and leading instrumentation and control strategies for large process plants including LydonellBasell and Celanese for over 10 years. Patrick holds a Bachelor of Science in Electrical and Electronics Engineering, is a certified professional engineer and earned a Functional Safety Engineer license from the TUV Rheinland North America Group.

Ned Espy


Ned Espy, Technical Director, has been promoting calibration management with Beamex for over 20 years. Ned has helped develop best practices for calibration, with a focus on temperature, pressure and multivariable instruments. Ned contributed to the book 416-page book, “The Engineer’s Guide to Industrial Temperature Measurement.”  He is a consistent editorial contributor to leading industry publications, and has received significant recognition within the automation industry. Today, Ned teaches calibration best practices and provides technical support to end users and the Beamex sales team in North America


Kevin Ashford

Exxon Mobil

Kevin, HCP Technologist at Exxon Mobil Corporation


Joe Heitz

Emerson Automation Solutions
Joseph L. Heitz has more than thirty five years’ experience in the instrumentation, electrical, and automation fields. He has been a project designer, project manager, field engineer, instrument engineer, and a quality assurance representative for metrology. He started out as an instrument technician in a petro-chemical plant. He has an AAS in Electronics from a community college in Iowa. He is presently employed as a Lead Technologist with a major process control company and is responsible for installation oversight, startup, and commissioning on projects globally. His background includes Pharma, nuclear power plants, coal and jet turbine power plants, petro-chemical, chemical, and refineries. He has instituted training programs for technicians and setup metrology or instrument departments.

Daniel Martin

Nestle Dreyer's Ice Cream

Dan Martin is the Electrical and Automation Manager for Nestle Dreyer’s Ice Cream Company in Tulare, California. His extensive knowledge in automation and industrial control applications comes from his career experience with electronics, industrial communications, high voltage electrical systems, SCADA systems, historical data collection and analysis, and vision applications. He has in-depth knowledge of various HMI and PLC systems used in various food & beverage, petrochemical, water, waste water, and industrial facilities. Dan holds a Bachelor of Science in Electrical & Electronic Engineering from DeVry University and many industry certifications in application design and support. He currently manages the calibration program for his factory and is involved in the expansion and standardization of calibration systems in the Nestle Ice Cream division.