John D. Groendyke is an American trucking executive. He is Chief Executive Officer of Groendyke Transport

Groendyke Transport

Groendyke Transport is a tank truck carrier in the United States with headquarters in Enid, Oklahoma. The company was founded on July 12, 1932 by H.C. Groendyke as the sole proprietor and incorporated in 1949...

, a bulk tank truck

Tank truck

A tank truck or road tanker is a motor vehicle designed to carry liquefied loads, dry bulk cargo or gases on roads. The largest such vehicles are similar to railroad tank cars which are also designed to carry liquefied loads...

 transportation company headquartered in Enid, Oklahoma

Enid, Oklahoma

Enid is a city in Garfield County, Oklahoma, United States. In 2010, the population was 49,379, making it the ninth largest city in Oklahoma. It is the county seat of Garfield County. Enid was founded during the opening of the Cherokee Outlet in the Land Run of 1893, and is named after Enid, a...

 started by H.C. Groendyke. He graduated from Wentworth Military Academy

Wentworth Military Academy

Wentworth Military Academy and College is a private four-year college preparatory high school and military junior college. It is located in Lexington, Missouri, part of the Greater Kansas City Metropolitan Area. Wentworth is the oldest military academy west of the Mississippi River, and the...

 in 1964 where he achieved the highest rank of cadet, Brigade Commander. After his graduation Mr. Groendyke went to work at Groendyke Transport in 1965. Mr. Groendyke also serves in various capacities at subsidiaries of Groendyke Transport.

He is also a director of OGE Energy Corp. and its operating company, Oklahoma Gas & Electric

Oklahoma Gas & Electric

Oklahoma Gas & Electric is a regulated electric utility company that serves over 750,000 customers in Oklahoma and western Arkansas. On December 9, 2007 OG&E experienced the worst power outage in Oklahoma history with over 250 thousand customers without power and over 630 thousand state wide...

.

In 2004, he was named to the board of directors of the Oklahoma State Fair

Oklahoma State Fair

The Oklahoma State Fair is a large fair and exposition in Oklahoma City, Oklahoma. It takes place in mid-September each year, and is one of two state fairs in Oklahoma. During an 11-day run, the Oklahoma State Fair attracts close to one million people. By a small margin, it is larger in attendance...

.