markMark Viskozki, PGA

PGA Director of Golf

Mark is a Past President of the Northern Texas PGA.  Mark became a Class A member of the Professional Golfer’s Association in 1987. Mark was the 1993 NTPGA Assistant Golf Professional of the Year and 1998 & 2009 Metro Chapter Golf Professional of the Year.  Mark won the 2000 NTPGA Merchandiser of the Year award and the 2009 Northern Texas PGA Golf Professional of the Year.  His playing career has included victories in the 1990 & 1993 NTPGA Section Assistant Championship, 1991 Metro Assistant Match Play Championship, 1992 & 1993 Metro Assistants Chapter Championship.  He was also a member of the 1999, 2008 and 2009 Joe Black Cup Team and a member of the 1999 Texas Cup Team.


thomasThomas Devanna, PGA

PGA Golf Professional

Thomas began his golf career in 2002 as an assistant golf professional at Country View Golf Club in Lancaster, TX.  He has also been an assistant in the Scottsdale, Arizona area.  He graduated Adams State College in Alamosa, Colorado with a Bachelor of Science degree in Business Management in 2001 and was a member of the school’s golf team.  He is currently a PGA Golf Professional with the aspirations of becoming a PGA Head Golf Professional in the near future.  Thomas was the 2009 NTPGA Assistant Golf Professional of the Year.


keithKeith Stiber

Golf Staff

Keith has been with Tangle Ridge since May 2006. After 28 years of teaching and coaching, (24 years with the GPISD) Keith is currently pursuing membership into the PGA of America.



Katie Grady

Golf Professional


alAl Schwab

Golf Staff

Al has been with Tangle Ridge since our opening in October 1995. Al retired from GTE Southwest in 1994 after 25 years as a Switching Services manager. His duties include overseeing the Tangle Ridge Golf Association, Starters, running the tee sheet and merchandise sales.


jeffJeff Tennal

Food and Beverage Manager

Jeff is the Food and Beverage Director for Tangle Ridge Golf Club. Jeff is a Class A Member of the PGA. He was the PGA First Assistant under Jan Smith at Grand Prairie Municipal from 1980-1995.  As Food and Beverage Director, Jeff’s philosophy is “to keep it simple, be friendly, make the food fresh, and make it fast.”  Everything is made to order and the portions are generous.



Shawn Treibly

Golf Course Superintendent

Shawn joined Tangle Ridge when construction started in 1994. He has 21 years of golf course maintenance experience, including stays at Thorntree Country Club, TPC Four Seasons and Northwood Country Club.  Shawn’s goal as superintendent of Tangle Ridge is to provide superior Bermuda Grass greens and a playing experience that is second to none in municipal golf.