John A. Miller (born August John Mueller in 1872, Homewood, Illinois - died June 24, 1941, Houston, Texas) was a roller coaster designer and builder. He held over 100 patents, many of which were for roller coaster safety devices (e.g. the safety chain dog). For a time in his early career, he worked as a consultant to the Philadelphia Toboggan Company. He designed over 60 coasters in his lifetime.

Ronald Valentine Toomer (born 31 May 1930) is one of the prominent roller coaster designers in the world. He graduated from the University of Nevada with a degree in Mechanical Engineering. He was on the design team for the heat shield on the Apollo spacecraft. When he joined Arrow Dynamics, he was hired to work on the first all-steel roller coaster, Runaway Mine Ride. He worked for the firm Arrow Dynamics for many years before becoming its President in 1986.

Anton Schwarzkopf (1924-2001) was a prolific German roller coaster engineer and founder of the Schwarzkopf Industries company, which built numerous amusement park rides and roller coasters

Werner Stengel is a notable German roller coaster designer and engineer. He is the founder of Stengel Engineering, also known as Ingenieur Büro Stengel GmbH (or Ingenieur Buero Stengel GmbH). Born 22 August 1936, in Bochum, Germany, he first worked on amusement park rides in collaboration with Anton Schwarzkopf in 1963. He established his own company, Stengel Engineering, in 1965.

John C. Allen (May 21, 1907 - August 17, 1979) was a roller coaster designer who was responsible for the revival of wooden roller coasters which began in the 1970s. He attended Temple University. He started working for the Philadelphia Toboggan Company in 1934 as a coaster operator and rose to become president of the company by 1954. He has designed over 25 coasters and has made significant contributions to roller coaster technology.

William L. "Bill" Cobb, was a designer and engineer of roller coasters, as the founder and head of William Cobb & Associates. He is particularly noted for his work on designing and relocating several major wooden roller coasters in the 1970s and 1980s. A number of these coasters were world-record holders at the time of their opening. On the subject of roller coaster design, Cobb has been quoted as saying "You have to be a little bit mean.

John Wardley is a British award-winning concept designer and developer for theme parks, mainly for rides such as roller coasters. <br /> Mr. Wardley started off in the theatre, then later moving on to the film industry (including creating the special effects for five of the James Bond movies). These careers showed him what entertained the British public. The Tussauds Group then hired him, mainly because of his experiences in constructing and performing stage illusions.

Herbert Paul Schmeck, roller coaster designer, worked for the Philadelphia Toboggan Company. He has been credited with over 50 different roller coaster designs.

Harry Guy Traver (25 November 1877 - 1961) was an American engineer and early "Roller Coaster" designer. In 1919 he founded the Traver Engineering Company which created amusement rides, including the Circle Swing and the Tumble Bug. He created the Circle Swing, Tumble Bug, The Caterpillar, Laff in the dark, and Auto Ride. However, his "Giant Cyclone Safety Coasters" were what made Traver the most famous (or notorious) of all coaster designers.

Charles I. D. Looff was a master builder of hand-carved carousels and amusement rides in America. Looff built the first carousel at Coney Island in 1876. During his lifetime, he manufactured some forty carousels, several roller coasters and Ferris wheels, and built California's famous Santa Monica Pier. He became famous for creating the unique Coney Island style of carousel carving.

Lee U. Eyerly (1892-1963) was an American civil aviation pioneer and amusement ride manufacturer.

George Washington Gale Ferris, Jr. (February 14, 1859 - November 22, 1896) was born in Galesburg, Illinois. He is most well known for inventing the Ferris Wheel, constructed for the World's Columbian Exposition in an attempt to create something as impressive as the Eiffel Tower in Paris, France. His family moved to Nevada when he was five years old. His family later relocated to California, and Ferris attended high school in Oakland, California.

La Marcus Adna Thompson (March 8, 1848 - May 8, 1919 in Ohio, United States) is best known for his early work developing roller coasters, and is sometimes called the "Father of Gravity". Although over his lifetime, Thompson accumulated nearly thirty patents related to roller coaster technologies and built dozens of coasters in the United States, he did not invent the device; that credit goes to John G. Taylor who patented it under the name "Inclined Railway".

William F. Mangels (1866-1958), amusement manufacturer and inventor, worked at Coney Island and was a major player in the development of American amusement parks at the turn of the twentieth century. In addition to manufacturing carousels and inventing rides including The Whip (ride), he wrote a book entitled "The Outdoor Amusement Industry: From earliest times to the present".

Gerstlauer Amusement Rides GmbH is a German manufacturer of stationary and transportable amusement rides and roller coasters, located in Münsterhausen, Germany.