The Team

T. Paul Bulmahn


An author, speaker, philanthropist and successful entrepreneur in diverse industries and in multiple countries, T. Paul Bulmahn grew up with a love of horses.  He opened the gates to GoldMark Farm, Ocala, Florida, a premier thoroughbred training center in September, 2006.  The facility was such a significant success that by June, 2007, its owner Mr. Bulmahn was named a “Top Ten Industry Leader To Watch” by the Thoroughbred Times.  Where his heart is, that is where his actions are in support of causes to advance everything equine.  For example, a 2012 fundraiser for the Florida Horse Park was hosted by Mr. Bulmahn at the farm featuring Kate Chenery Tweedy, author of the best seller Secretariat’s Meadow.

Mr. Bulmahn is a principal in Planet Green Solutions, Inc. the inventor of a biomass reactor to generate electricity, and founder in 1991 of international offshore oil and gas development company ATP Oil & Gas Corporation.  As an entrepreneur in four different countries: U.S., U.K., Israel and the Netherlands, and in three diverse industries: oil and gas offshore development, large animal training and alternative energy sources, Mr. Bulmahn has utilized ingenuity and innovation to build successful businesses.

A frequent keynote speaker for symposiums and forums in the field of energy, Mr. Bulmahn in 2010 presented the Valparaiso University Moeller Lecture and delivered the Brown Distinguished Lecture in 2012 at Houston Baptist University. He is also the author of monographs for various periodicals, including The American Oil & Gas Reporter and World Energy.  Mr. Bulmahn has served as chairman of the Houston Bar Association’s oil, gas and mineral law section, and has further chaired seminars on oil and gas law and e-business technology.  Earlier in his career he represented Tenneco in Washington D.C., was an administrative law judge for the State of Texas, and Chairman of Harbert Oil & Gas Corporation.

Mr. Bulmahn was elected to the Board of Directors of Valparaiso University in October, 2004 and served until 2010 when he was designated Director Emeritus.  He also served for three years as a member of the College of Business Administration Advisory Board of Texas State University.  Mr. Bulmahn earned a B. A. from Valparaiso University; J. D. from University of Texas School of Law; and an M.B.A. from the Graduate School of Business, Texas State University, which in 2000 named him a Distinguished Alumnus.

Todd Quast

General Manager


Todd Quast is a veteran horseman who began working in the racing industry in 1980 as an exercise rider in Texas prior to attending Tarleton State University. Todd earned a Bachelor of Science degree in Horse Production and Management. From 1986 to 1991 Todd was an assistant manager and rode for Ed Dodwell’s Diamond D Ranch in Lone Oak, Texas. In 1991 Todd began working as an assistant trainer for D. Wayne Lukas originally at Hollywood Park in California prior to moving to the training center in Santa Ynez. During his ten year tenure with Lukas, he was directly responsible for the initial breaking, training and or rehabilitation of three Kentucky Derby winners, three Preakness winners, four Belmont winners, seven Breeder’s Cup winners, nine Eclipse Champions, and one Horse of the Year. These horses included Grindstone, Thunder Gulch, Charismatic, Tabasco Cat, Timber Country, Commendable, Editor’s Note, Cat Thief, Boston Harbor, Flanders, Orientate, Golden Attraction, Cash Run, Serena’s Song and Surfside.

Todd is a licensed trainer and sales agent for GoldMark. Todd, his wife Lori, and Paul Bulmahn select the GoldMark horses at the sales. Graduates of the program include graded stakes winners Backtalk, Elusive Lady, Vexor, Battle Plan, Bustin Stones, Gypsy’s Warning (SAF), Mr. Sidney, It’s Tea Time, Pluck, Timber Reserve, Karlovy Vary, Workin For Hops, Dullahan, O’Prado Again, and Shackleford to name a few, plus numerous other stakes winners. Todd has designed and developed farms in Texas, California, and Florida.

Librado "Lee" Guerrero

Assistant Trainer

Lee Guerrero, a native of Jalisco, Mexico, has worked with horses his entire life. In 1991, Lee moved to the United States and began working for D. Wayne Lukas at Westerly Training Center in Santa Ynez, California. Lee. a licensed assistant trainer, has worked with great champions like Serena’s Song, Flanders, Golden Attraction, Timber Country, Grand Slam, and Horse of the Year Charismatic as well as numerous other quality horses. In 1998, the training center was moved to Florida and Lee began his tenure at Padua Stables. Lee worked for Padua for 10 years as an assistant manager and assistant trainer. At Padua Lee helped develop such champions as Surfside, Orientate, and Breeders Cup winners Cash Run and Cat Thief to name a few. In 2008, Padua moved its training operation to Bridlewood Farm where Lee was directly responsible for the care and training of all the Padua horses. Lee is a dedicated horseman who has developed a keen eye and great feel for a horse’s well-being over his 20 years of experience. He has vast experience in all phases of breaking, training, conditioning and gate work. He leads by example and has a true passion for horse racing.

Rania Hemingway

Office Manager

Rania Hemingway  is a native of South Africa and was raised in a horse racing family. Her father was a professional jockey and trainer for over 40 years. Rania moved to the United States in 1998. While Rania is extremely passionate about horses, she chose a career in accounting and office management rather than working directly with the horses. Rania has over 20 years of experience in the accounting and office management field. She is the voice of GoldMark to all incoming calls.  Rania’s work ethic, attention to detail, and professionalism make her an intricate part of the team at GoldMark.


At GoldMark, Grooms receive extensive training in the proper way to care for the horse. Our Grooms are highly skilled and dedicated employees who have an average of 5 years or more experience. Horses thrive in the calm, quiet environment provided and tasks are performed in a relaxed, orderly fashion with the horse's best interest at heart. After training and therapy sessions horses are bathed then outfitted in four standing bandages to protect their legs at all times while in the stall. Three times a day the horses are rubbed, their temperatures are recorded, and their stalls, waterers and feeders are cleaned.


Exercise Riders

The riders are one of the most important elements of the entire training program. GoldMark has a core base of 14 extremely experienced and knowledgeable riders. Riders are rotated on a regular basis to keep them fresh and competitive. Numerous GoldMark riders compete as regular jockeys at various tracks across the country throughout the year. We are proud of our riders with over 200 years of combined riding experience, and we believe their abilities are superior to that of any other training facility.  At minimum we use 8 riders and activate as many as 12 at one time.