Mark Barron (entrepreneur)

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Mark B. Barron
Born Mark Bowen
(1958-01-15) January 15, 1958 (age 56)
Residence Bel Air, Los Angeles, California
Occupation Entrepreneur, Inventor, Futurist

Mark B. Barron (born Mark Bowen; 1958) is an American entrepreneur and inventor. He is the CEO of Public Transportation Safety International Corporation (PTS), which invented and produces the S-1 Gard Dangerzone Deflector for transit buses and the Minimize Danger Zone (MDZ) Shield for school buses.

Early life[edit]

Mark Bowen was born on January 15, 1958 in San Diego, California. At the age of five, he and his family relocated to Los Angeles, CA. His parents were divorced by the time he was eleven years old; subsequently, he was sent to reform school.[1]

Professional Life[edit]

Bowen invented and patented the Chemo Cap, a therapeutic hypothermic device, in 1979.[2][3] The Chemo Cap was designed to prevent alopecia from chemotherapy treatment by freezing the scalp and decreasing blood flow to areas of hair growth during administration of the drug. While success was initlally limited, more recent "cold caps" have recently achieved more widespread adoption and shown success rates of 80 to 90 percent with certain chemotherapy regimens,[4][5] in addition to helping prevent cerebral palsy in babies,[6] providing neuroprotection after cardiac arrest,[7] inhibiting stroke paralyis,[8] and as cryotherapy for migraine headaches.[9]

In subsequent years, he launched ventures in long distance telecommunications and legal referral consulting.[10]

Public Transportation Safety Int'l Corp.[edit]

In 1994, Bowen invented the S-1 Gard Dangerzone Deflector [11] and founded Public Transportation Safety International. The S-1 Gard is a device installed in front of the dual right rear wheels of transit buses, engineered to deflect a person out of the path of the wheels, preventing injury or death. It is currently installed on bus fleets in major cities such as Los Angeles,[12] Washington D.C.,[13] Chicago[14] and Baltimore.[15]

In 2010, PTS launched the MDZ Shield as an alternative to the S-1 Gard for school buses.[16][17]


Barron's Consumeron was issued a patent for its method of remote acquisition and delivery of goods in August 2012, after its initial filing in 2009.[18] Consumeron is a "personal assistance on demand" and same-day delivery service that offers real-time video inspection, a key claim in the patent. Using Consumeron's system, a consumer on an internet-connected device can select a nearby delivery agent (called a "grabber") to deliver goods and complete tasks, with deliveries targeted within 50 minutes. By utilizing a point-of-view camera streaming real-time video over a cellular network, the user can see what their grabber sees, can communicate directly, and see his or her location via GPS.[19]

Personal life[edit]

In 2005, Bowen purchased[20] the home of music producer Quincy Jones[21] in the Bel-Air section of Los Angeles. The home was previously occupied by singer Connie Francis,[22] and later singer Julio Iglesias,[23] who made it famous in 1984 by naming his multi-platinum album 1100 Bel Air Place after the home. Barron was rumored to have purchased Elizabeth Taylor's Bel Air mansion in 2011.[24]

In 2010, Bowen legally changed his name to Mark Bowen Barron.[25]


  1. ^ "Mark Barron biography". Retrieved 9-28-12.
  2. ^ Bowen, Mark. Cap structure for creating temperature controlled environment for reducing alopecia. Patent No. 4425916. U.S. Patent Office. Filed 1979-06-01, issued 1984-01-17.
  3. ^ Lawrence, Gary (September 2, 1979). "Cap helps prevent patient's loss of hair in cancer treatment". Valley News, Los Angeles, CA, p. 7.
  4. ^ Braff, Danielle (January 4, 2012). "Cold caps show promise in keeping hair through chemo". Chicago Tribune.
  5. ^ Weiss, Stefanie (January 11, 2011). "Breast cancer patient uses super-chilled headgear to try to retain her hair". Washington Post.
  6. ^ Cronin, Fran (January 31, 2012). "What To Do For Oxygen-Deprived Newborns? Cool Them Down".
  7. ^ Storm C, Schefold JC, Kerner T, Schmidbauer W, Gloza J, Krueger A, Jorres A, Hasper D (October 2008). "Prehospital cooling with hypothermia caps (PreCoCa): a feasibility study.". Clinical research in cardiology : official journal of the German Cardiac Society 97 (10): 768–72. doi:10.1007/s00392-008-0678-1. PMID 18512093. 
  8. ^ van der Worp H B, Macleod, M R, Kollmar, R (June 2010). "Therapeutic hypothermia for acute ischemic stroke: ready to start large randomized trials?". Journal of Cerebral Blood Flow & Metabolism (Nature Publishing Group) 30 (6): 1079–93. doi:10.1038/jcbfm.2010.44. 
  9. ^ Robbins, L. D. (1989). "Cryotherapy for Headache.". Headache: The Journal of Head and Face Pain 29 (9): 598–600. doi:10.1111/j.1526-4610.1989.hed2909598.x. 
  10. ^ Ibid, 1.
  11. ^ Bowen, Mark A. Safety Guard. Patent No. 5462324, U.S. Patent Office. Filed 1994-04-15, issued 1995-10-31.
  12. ^ Rapp, Eric (September 2002). "‘Dangerzone Deflector’ Can Save Lives in Traffic Accidents involving Pedestrians". MTA Scoop, Los Angeles County.
  13. ^ Washington Metropolitan Area Transit Authority (April 29, 2003). "Metro sees benefit from the installation of safety devices called S1 Gards ". Press Release.
  14. ^ Hilkevitch, Jon (September 20, 2002). "CTA plan designed to deflect accidents". Chicago Tribune.
  15. ^ Maryland Transit Administration (2010). MTA Media Guide 2010-2011, p. 17.
  16. ^ "Device designed to eliminate bus rear wheel danger zone gap". January 28, 2011. School Bus Fleet.
  17. ^ Gray, Ryan (October 11, 2012). "C.E. White: First Installation of MDZ Shield to Protect Students from Being Crushed by Bus Wheels". School Transportation News.
  18. ^ Barron, Mark B.; Hays, Michael. Method for remote acquisition and delivery of goods. Patent No. 8244594. U.S. Patent Office. Filed 2009-08, issued 2012-08-14.
  19. ^ "Mobile Telepresence Adds Fuel To Race For Same-Day Delivery" (September 18, 2012).
  20. ^ "Property valuation of Bel Air Place, Los Angeles, CA: 1100, 1101, 1105, 1110, 1111 (tax assessments)", Retrieved 9-28-12.
  21. ^ Ryon, Ruth (August 21, 2005). "A dream vibe on the Westside". Los Angeles Times.
  22. ^ Dulin, Dann (March 2004). "Where the Boys Went". A&U Magazine.
  23. ^ Ryon, Ruth (December 7, 1986). "Quincy Jones Buys Residence in Bel-Air". Los Angeles Times.
  24. ^ "Liz Taylor's Bel Air Mansion Sold to Razor Blade Tycoon". The Real Estalker.
  25. ^ April 22, 2010. Metropolitan News-Enterprise, Los Angeles, CA.

External links[edit]