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DVD Team for 2017 Electrical Calculations Training Library

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Boyd Bindrup

Electrical Contractor/Instructor
Ogden, UT

Boyd Bindrup launched his electrical career at age 12 by working for his father’s company during the summers and earning $0.75 per hr. He began his electrical apprenticeship in Ogden Weber Technical College but left to attend Salt Lake Community College for his last two years of training. After finishing school, he obtained his Journeyman license and, 2 years later, his Master Electrician license.

Boyd is an Electrical Contractor license holder for Creative Times Inc. (CTI Electric) which does commercial and military electrical work. He has been an Instructor at Ogden Weber Tech College since 1994, having taught over 1400 classes and trained thousands of electricians. He’s a Utah, Idaho and Colorado Master Electrician, and his credentials include LEED AP BD+C, Lightning Protection Master Installer/Designer #1447, Vindicator Certified Security Installer, Cathodic Protection Installer CP1 NACE 56675, Fiber Optics Installer #FOIUT216, and SKM Arc Flash Power Tools trained.

Boyd is devoted to learning and passing on the knowledge to current and future electrical professionals. He is passionate about the direction of the profession and is active politically in the industry.

Boyd and his wife Rebecca reside in Ogden Canyon and are parents to six children. His hobbies include CrossFit and Xterra triathlon.


Dennis Carlson

Master Electrician/Training Specialist
Steamboat Springs, CO

Dennis Carlson has been in the electrical trade for over 35 years, and has held the positions of Project Superintendent, Field Engineer, Start-up-Coordinator, General Fore¬man, Foreman, Journeyman, and Craft Training Manager. He’s certi¬fied with NCCER as a Master Trainer, and is a professor for Victoria University, Australia as a Master Trainer. In April 2013, he graduated from Salem International University with a Bachelor’s degree in Business Administration.

Dennis is a Master Electrician/Contractor licensed in several states, and a member of the NFPA and IAEI. He’s trained thousands of elec¬tricians in the last 25 years using Mike Holt’s material and has been working with Mike for the last 16 years on his Exam Prep courses.

Dennis and his wife, Cindy, live in Steamboat Springs, Colorado, where they’re both active in enjoying God’s great outdoors, their church, and the community. They have two children, Brandy, a graphics arts designer who lives in Greeley Colorado, and Josh who is an electrical estimator in Denver Colorado. “Life is too short to do only one thing so you have to prepare yourself for the next challenge. Never stop learning and striving to achieve those goals that you have.”


Mark Cook

Master Electrician, Electrical Education Specialist
Neenah, WI

Mark Cook has been in the electrical trade since 1978. He completed his apprenticeship in South Florida through Associated Builders and Contractors (ABC) and earned his journeyman certification in 1987 with the help of Mike Holt’s Exam Preparation material. Mark spent time in the industry working in both high-voltage and low-voltage commercial and industrial businesses. He owned his own business after earning his Master’s license in 1994. He currently holds a Master’s license in Wisconsin and a Journeyman’s license for the state of Washington.

Mark was an adjunct instructor for Independent Electrical Contractors (IEC) of AZ while teaching for the Electric League of Arizona. He currently writes monthly Code articles for a trade publication circulated in Arizona. He continues to teach CEU training throughout the Midwest.

Mark joined Faith Technologies in 2015 as a Technical Training Consultant. The company is a leading electrical, engineering, and technology systems contractor that currently employs more than 800 apprentices nationwide and maintains training centers in Appleton, WI; Tulsa, OK; Kansas City, MO; and Atlanta GA.

Mike Culbreath

Master Electrician, Graphic Artist–Mike Holt Enterprises

Mike Culbreath has devoted his career to the electrical industry and worked his way up from apprentice electrician to master electrician. He began by doing residential and light commercial construction, and later did service work and custom electrical installations. While working as a journeyman electrician, he suffered a serious on-the-job knee injury. As part of his rehabilitation, Mike completed courses at Mike Holt Enterprises, and then passed the exam to receive his Master Electrician’s license. ln 1986, with a keen interest in continuing education for electricians, he joined the staff to update material and began illustrating Mike Holt’s textbooks and magazine articles.

Mike started with simple hand-drawn diagrams and cut-and-paste graphics. When frustrated by the limitations of that style of illustrating, he took a company computer home to learn how to operate some basic computer graphic software. Realizing that computer graphics offered a lot of flexibility for creating illustrations, Mike took every computer graphics class and seminar he could to help develop his skills. He’s worked as an illustrator and editor with the company for over 30 years and, as Mike Holt has proudly acknowledged, has helped to transform his words and visions into lifelike graphics.

0riginally from south Florida, Mike now lives in northern lower Michigan where he enjoys hiking, kayaking, photography, gardening, and cooking; but his real passion is his horses. He also loves spending time with his children Dawn and Mac and his grandchildren Jonah, Kieley, and Scarlet

Brad Darnell

Electrical Engineer/Designer
Indianapolis, IN

Brad Darnell is an Electrical Engineer and brings nearly 50 years of experience in the electrical trade. He started as an apprentice electrician in Albuquerque, New Mexico after serving in the U.S. Marine Corps during the Viet Nam conflict. He gradually worked his way up and after four years was able to pass the New Mexico journeyman exam. Shortly thereafter, he relocated to Indiana, where he now resides.


Brad is currently licensed as a Master Electrician or Electrical Contractor in 25 states and continues to pursue licensing in additional states. In his role as the principal electrical designer for a nationwide MEP firm, he’s also the primary license holder for his firm. Brad has designed electrical systems for small commercial projects as well as projects in excess of 1.5 million square feet. He’s also designed several medium-voltage substations and distribution systems.


Brad has taught third-year apprentices in the local ABC chapter and is a NCCER Certified Instructor. An avid golfer, he and his wife live in a suburban community just outside Indianapolis and, when not working in the yard, he can usually be found on the golf course.

Ken DeHart

Contractor/Administrator/Journeyman/Business Owner
Shelton, WA

Ken DeHart was 24 when he started his career as an electrical trainee and quickly discovered he had a real passion for the trade. Soon he became the "Go-to guy" for electrical troubleshooting, installations, NEC and Washington Administrative Code questions.
Dedicated to electrical safety, understanding the code and to his family, Ken worked full time and cared for his wife while she was disabled for 5 years due to cancer and multiple surgeries. Now in remission, they’ve opened their own electrical contracting business.  Ken’s wife also has her trainee license and works with Ken on the jobsite often. The two believe that the safety of so many depends on us being knowledgeable. We owe it to our customers, ourselves, and our children to be better and to know more every day.
Ken studied Mike Holt’s Ultimate Training Library diligently and passed the Washington State Administrator Test the first time with an overall 90%. He was later told that the test has a pass rate of only 3%.
When Ken isn’t working, or studying he is usually with his wife, Sarah, and their three active daughters Alexandria, Lydia and Clara enjoying the beauty of the Pacific Northwest while hiking, climbing or kayaking.

Daniel Brian House

Master Electrician, Instructor, VP of Digital and Technical Training, Mike Holt Enterprises

Brian House is Vice President of Digital and Technical Training at Mike Holt Enterprises, and a Certified Mike Holt Instructor. He began teaching seminars in 2000 after joining the elite group of instructors who attended Mike Holt’s Train the Trainer boot camp. Brian was personally selected for development by Mike Holt after being named as one of the top presenters in that class. He now travels around the country to teach Mike Holt seminars to groups that include electricians, instructors, the military, and engineers. His first-hand experience as an electrical contractor, along with Mike Holt’s instructor training, gave him a teaching style that is practical, straightforward, and refreshing.

Brian is high-energy, with a passion for doing business the right way. He expresses his commitment to the industry and his love for its people whether he’s teaching, working on books, or developing instructional programs. Brian also leads the Mike Holt Enterprises apprenticeship and digital products teams. They’re creating cutting-edge training tools and partnering with apprenticeship programs nation-wide to help them take their curriculum to the next level.

Brian and his wife Carissa have shared the joy of their four children and many foster children during 22 years of marriage. When not mentoring youth at work or church, he can be found racing mountain bikes with his kids or fly fishing on Florida’s Intracoastal Waterway. He’s passionate about helping others and regularly engages with the youth of his community to motivate them into exploring their future.

John Mills

Master Electrician/Electrical Instructor Premier Electrical Company/Dade County School Board Miami Springs, Florida

John Mills is an instructor for Mike Holt Enterprises, Inc. and is a Certified Electrical Contractor, Certified Inspector, Plan Reviewer, and CBO. John started in the electrical trade in 1980 as a helper and attended an ABC Apprenticeship Program, then worked his way up to Master Electrician. John has been an instructor for 30 years, teaching master and journeyman exam preparation courses and Florida State certification courses.

John resides in Miami, Florida with his wife Corina and their four sons. John’s hobbies are working with wood and metal. He makes wooden bowls and furniture from trees that have been cut down. He enjoys making things for his children as well as fishing, family picnics, and vacations with his family.

Eric Stromberg

Master Electrician, Electrical Engineer, Instructor

Eric Stromberg has a bachelor’s degree in electrical engineering and is a professional engineer. He started in the electrical industry when he was a teenager helping the neighborhood electrician. After high school, and a year of college, Eric worked for a couple of different audio companies, installing sound systems in a variety of locations from small buildings to baseball stadiums. After returning to college he worked as a journeyman wireman for an electrical contractor.

After graduating from the University of Houston, Eric took a job as an electronic technician and installed and serviced life safety systems in high-rise buildings. After seven years he went to work for Dow Chemical as a power distribution engineer. His work with audio systems had made him very sensitive to grounding issues and he took this experience with him into power distribution. Because of this expertise, Eric became one of Dow’s grounding subject matter experts. This is also how Eric met Mike Holt, as Mike was looking for grounding experts for his 2002 Grounding vs. Bonding video.

Eric taught the National Electrical Code for professional engineering exam preparation for over 20 years and has held continuing education teacher certificates for the states of Texas and New Mexico. He was on the electrical licensing and advisory board for the State of Texas, as well as on their electrician licensing exam board. Eric now works for a Department of Energy research laboratory in New Mexico, where he’s responsible for the electrical standards as well as being a part of the laboratory’s AHJ.

Eric’s oldest daughter lives with her husband in Zurich, Switzerland, where she teaches for an international school. His son served in the Air Force, has a degree in Aviation logistics, and is a pilot and owner of an aerial photography business. His youngest daughter is a singer/songwriter in Los Angeles.

Mario Valdes

Master Electrician, Electrical Inspector, Plan Examiner, Instructor

Mario Valdes Jr. is an electrical inspector and plan examiner for an engineering firm that does private provider and municipal support services. He started his career at 16 years old with his father, who owns an electrical contracting company and worked himself up to a master electrician. Once he received his Florida state contractor’s license, he ran his father’s company as a project manager and estimator. Mario’s passion for the National Electrical Code led him to obtain his inspector and plan review certifications to embark on a new journey as an electrical professional in the Code-compliance industry.

Mario is a goal setter and plans to become a certified instructor within a year. He’s worked in very complex projects such as hospitals, casinos, hotels, and multi-family high-rise buildings bringing him diverse experience in the electrical field. He is a member of the IAEI, NFPA, & ICC and believes that by staying active in these organizations he’ll be ahead of the game, with cutting-edge knowledge pertaining to safety codes. He enjoys participating in meetings and giving his input on certain topics.
When not immersed in the electrical world he enjoys fitness training because a healthy mind requires a healthy body. 

Mario resides in Miami, Florida with his beautiful family which includes his wife and 2-year-old son, and they enjoy family getaways to Disney World and other amusement parks.

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