The Team

The Team 2018-12-18T16:39:10+00:00

Executive Team

Rodney Madsen, CEO

Rodney Madsen, MPH

GermBlast CEO & Epidemiologist

Rodney Madsen is one of the three founding partners who formed GermBlast in 2009. Rodney’s passion for infection control and prevention stems from challenges his own family has faced due to heathcare-associated infections.

Rodney is a successful entrepreneur and epidemiologist with over 20 years of experience in the healthcare industry. Rodney grew up on the east coast and moved to Lubbock to attend Texas Tech University. He then attended Wayland Baptist University and earned a Master’s degree in  Business Management and Engineering Technology. He is now pursuing a Doctorate of Public Health at Walden University.

He is a married father of two who enjoys mountain biking and traveling with his family. Rodney is passionate about serving his community and currently holds a seat on the Parkridge Pregnancy Advisory Council.

Certifications: T-CHEST, HAZWOPER 24, Certified Biological Responder

Rodney Madsen, CEO

Cade Underwood

GermBlast Founding Partner

Cade grew up in Lubbock, Texas, and graduated from Monterey High School. While studying Organizational Management at Texas Tech University, Cade played football for the Red Raiders. Cade transferred to and graduated from Lubbock Christian University with a Bachelor’s degree in Organizational Management.

For the last 22 years, Cade has been the Assistant Fire Chief for the Woodrow Volunteer Fire Department. Cade is a married father of three children who enjoys spending time with his family and working at the Underwood family ranch. The Underwood family has been in the cotton and ranching business for over 30 years.

Josh Underwood

Josh Underwood

GermBlast Founding Partner

Josh graduated from Lubbock Christian High School before attending West Texas A&M where he earned a degree in Criminal Justice.

Josh has worked in the Underwood family business since graduating from college. Josh has also served as the President of the Lubbock Cotton Exchange, was on the Texas Cotton Association Board of Directors, and is currently a member of the Southcrest Christian Schools School Board.

He is now married with four children. In his spare time, Josh enjoys golfing, skiing, and spending time with his family.

Josh Underwood

Gale Wesley Goldwater

Chief Information Officer

Wes joined the GermBlast team in April 2012. A native of Lubbock, Texas, Wes graduated summa cum laude with a Bachelor’s degree in Business Administration from Lubbock Christian University in 2004 and an MBA from Texas Tech University in 2007. Wes also earned an Advanced Certificate in Health Organization Management from TTU.

In addition to his impressive educational background, Wes brings an immeasurable degree of process development expertise and innovation to the GermBlast team.

Wes’s personal interests involve mountain biking and computer programming.

Certifications: T-CHEST, CSSGB

Christopher Truitt, Ph.D

Christopher Truitt, Ph.D.

Chief Science Officer

Dr. Truitt joined the GermBlast team in October of 2010 as the Microbiologist and Biochemist. Dr. Truitt not only embodies the spirit and ingenuity of the sciences, but he also has a deep passion for advancing knowledge. For the past 13 years, Dr. Truitt has taught at Wayland Baptist University and Texas Tech University.

Dr. Truitt grew up in Lovington, New Mexico. He graduated with a Bachelor’s degree in Biology and Chemistry from Adams State University in Alamosa, Colorado. After moving to Lubbock, he earned his Ph.D. in Biochemistry at Texas Tech University.

Dr. Truitt is a married father of two children. Between giving lectures and conducting research, he enjoys running, hiking, swimming, gardening, and doing home improvement projects.  

Certifications: T-CHEST

  • Truitt CL & Pare PW. (2004). In situ translocation of volicitin by beet armyworm larvae to maize and systemic immobility of the herbivore elicitor in planta. Planta 218: 999-1007.
  • Truitt CL, Wei HX & Pare PW. (2004). A plasma membrane protein from Zea mays binds with the herbivore elicitor volicitin. Plant Cell 16: 523-532.
  • Wei HX, Truitt CL & Pare PW. (2003). Synthesis of hydroxy-substituted unsaturated fatty acids and the amino-acid insect-derivative volicitin. Tetrahedron Letters 44(4): 831-833.
  • Truitt CL, Wei HX & Pare PW. (2003). A volicitin receptor associated with the plasma membrane of maize leaves. Abstract of Papers of the American Society of Plant Biologists. Annual meeting July 25-30, 2003.
  • Pare PW, Wei HX & Truitt CL. (2002). Synthesis of 17-hydroxylinolenic acid and the amino-acid insect-derivative volicitin: A practical approach. Abstract of Papers of the American Chemical Society 224: 858-ORGN Part 2 Aug 18.
Josh Underwood

Mike Motheral

Vice President of Sales – Education

Mike joined the GermBlast team in June of 2013 after spending 37 years in public education where he was a school teacher, coach, athletic director, principal, and superintendent of schools at Sundown ISD.

Mike was raised on a farm in Kress, Texas. He earned his Bachelor’s degree from West Texas State University in Secondary Education and specialized in math. He earned his Master’s degree in Educational Administration and his principal and superintendent certifications through Texas Tech University.

Mike is a married father of three and grandfather of six wonderful grandchildren. He enjoys yard work, exercise, reading and various church activities.

Josh Underwood

Christy Haynes

Vice President

Christy joined the GermBlast team in April of 2015. Prior to GermBlast, Christy served as Director of Stewardship and Events for Athletics and the Red Raider Club.

She was raised in Coleman, Texas and graduated from Texas Tech University with a Bachelor of Arts in Political Science. She is currently taking graduate classes at Wayland Baptist University and Texas Tech University.

Christy has been married for 22 years and has 5 daughters. Her hobbies include trying to keep up with her daughters’ activities and reading.

Corporate Team

Josh Underwood

Kim Mullins

Human Resources & Office Manager

Kim joined the GermBlast team in August of 2011. Kim owned her own business for 20 years before moving to the medical field.

Kim is a Lubbock native and graduated from New Deal High School. She studied Education at Texas Tech University and received her certification in Human Resources. She loves gardening and spending time with her husband, three children, and six grandchildren.

Josh Underwood

Darrol Sawyer

Director Of Operations

Darrol joined the GermBlast team June 1st of 2018 as the Director of Operations.  Darrol grew up in the Lubbock area where he graduated from New Deal High School.  He has his Bachelors Degree in Business Management from West Texas A&M University.

Darrol has been married for 3 years and has twins, a son named William Graysen and a daughter named Finleigh Mae.  Darrol enjoys woodworking in his spare time along with serving in the children’s ministry with his Wife at Hillside Christian Church in Lubbock.  

Josh Underwood

Shelly Stone

Client Experience Manager

Shelly Stone joined the GermBlast team in July of 2015 as the Executive Sales Assistant. Following college, Shelly worked in marketing for one year and then transitioned into education where she spent fifteen years teaching business classes and serving as a school counselor.

Shelly grew up in a family of educators and lived several places in Texas. She graduated from Abernathy High School and earned her Bachelor of Business Administration from Texas Tech University. She also earned a Master of Science in School Counseling from Lubbock Christian University.

Shelly has been married for seventeen years and has three boys. Outside of work she enjoys photography and cheering on her boys in all of their activities.

Josh Underwood

Heath Herrington

GermBlast Scheduling and Workforce Manager

Heath joined the GermBlast team in 2016 as a Service Technician and is now a Service Supervisor. Before joining the team, Heath worked in physical therapy and was a graduate assistant for the Texas Tech Baseball team.

He was born in Amarillo, Texas. Heath earned his bachelor’s degree in Exercise and Sports Science from Texas Tech University and continued his education there earning his Master’s in Sports Management, as well.

In his free time, he enjoys traveling, sports, church activities, and spending time with his family.

Certifications: CHEST, HAZWOPER 24

Josh Underwood

Stacy Galvan

Client Experience Assistant

Stacy joined the GermBlast team June of 2017 as a Service Technician and has now joined our Client Experience Team. 

She was born in Tatum, New Mexico.  Stacy attended NMJC for 3 semesters and has now transferred to Texas Tech, majoring is in microbiology with a minor in chemistry and forensics.

Stacy has three kids ages 10, 7 and 3 and enjoys geocaching with the them, sketching, traveling the world and Brazilian jiu-jitsu.

Field Epidemiology Team

Josh Underwood

Nidal Halimeh

Field Epidemiologist

Nidal joined the GermBlast team in 2015 as a Service Technician and is currently part of the GermBlast Research Team. Before joining the team, Nidal worked in the medical device industry.

Nidal was born in Lubbock, Texas, and graduated from Texas Tech University with a Bachelor’s degree in Microbiology. In his free time, he enjoys playing soccer, snowboarding, and maintaining a vegetable garden with his wife.

Certifications: T-CHEST, HAZWOPER 24, Certified Biological Responder, Certified Mold Assessor

Josh Underwood

Yassiel Ibarra

Area Operations Manager | El Paso

When it comes to patient care and service, Yassiel is beyond dedicated. Not only does Yassiel excel in delivering a thorough, precise GermBlast infection control service, but also she goes above and beyond client expectations to ensure everyone she interacts with is educated and able to protect themselves and their communities from infection.

“What excites me about my job is knowing I help people fight disease and infection in their everyday lives by providing a safer and healthier environment for individuals and families,” says Yassiel.

Yassiel earned a Bachelor of Science degree in Human Sciences with concentrations in Nutrition, Human Developmental Family Studies, and Health Professions from Texas Tech University.

“It’s an unbelievable feeling knowing that I get to help people fight the diseases and infections that are always around us. My biggest hope is that we, GermBlast, will continue to grow and help as many people as possibly by ‘Keeping the Fight Outside the Body.’”

Josh Underwood

Danny Johnson

Area Operations Manager | Dallas Fort Worth

Danny was born and raised in Dallas, TX. He attended Texas College in Tyler, Texas, where he earned his Bachelor’s degree in Biology. He plans to further his education pursuing a Master’s degree in Healthcare Administration. In his spare time he enjoys playing sports, attending church and serving in his community.

GermBlast has a pure altruistic sense of care for its clients. It brings me absolute joy to know that I’m helping make a difference in the lives of others and that our clients entrust us with their health.

Josh Underwood

Tyson Perryman

Area Operations Manager | Lubbock

Tyson  joined the GermBlast team August of 2018. He originally is from Norman, Oklahoma.  He has 3 kids and enjoys hunting, fishing and wood working.  

Sales Team

Josh Underwood

Jan Lee

Account Executive

Jan Lee is an award winning professional with significant success and exceptional strength in the rapidly changing healthcare market. Her outstanding work ethic and follow up skills have earned her reputation as someone who can be relied upon to meet commitments, fulfill promises, and get the job done.

Jan holds an undergraduate degree from Baylor University and a graduate degree from Lamar University. She has completed many sales, management, and technical courses including RBMA, RSMA, and The Global Leadership Summit.   In her new role Jan continues to be committed to exceptional service, partnering with Healthcare professionals to create and support a healthier environment for their patients.

Jan and her husband live in Ft Worth. They have 2 children and 4 grandchildren. She has served alongside her husband in full time ministry for many years. Almost every family member is a musician and they love spending time together.

Josh Underwood

Marc Gilmour

Account Executive

Marc joined the GermBlast team in January of 2015. He is a native Texan and earned his Bachelor of Arts degree from Texas Tech University. Marc established himself as a dynamic leader in a variety of fields including sales management, broadcast television, industrial manufacturing, and new technology implementation. He also spent 18 years in the broadcast television industry while gaining valuable experiences working with businesses from every sector of the community. The customer has always been his primary focus.
Marc has been married for 28 years and has 3 children. In his free time, he enjoys golfing and spending time with his family at the lake.
Josh Underwood

Phil Cotham

Account Executive

Phil joined the GermBlast team in June of 2017. Prior to joining GermBlast, he spent 35 years in the Lockney school system as a teacher, coach, assistant principal, principal, and superintendent.

Phil grew up and in and graduated from Brownfield High School. He earned his Bachelor of Science degree from West Texas State University in 1981 and his Master of Education degree from Sul Ross State University in 1989.

In his spare time, Phil enjoys exercise, golf, fishing, listening to music, and spending time with his wife and two sons.

Josh Underwood

Steve Burleson

Account Executive

Steve joined the GermBlast team in September of 2015. Prior to joining the GermBlast team, Steve taught, coached, and served as the Superintendent at Tahoka Independent School District, and retired from education after 38 years.

Steve grew up in Hart Camp, Texas, and graduated from Olton High School. He attended Sul Ross University and graduated with a Bachelor of Science in 1973. He then went on to earn his Master of Education from Sul Ross University in 1988.

Steve has been married for 46 wonderful years and has two children and five grandchildren. He enjoys spending time with his family, hunting, and traveling.

Service Team

Josh Underwood

Matt Boneta

Service Supervisor

Matt joined the GermBlast team November of 2018.

He is from Lubbock, Texas and graduated from Coronado High School.  He studied Geo Science at Texas Tech and enjoys golf, backpacking and hiking. 

Josh Underwood

Martin Agongo

Service Supervisor

Martin joined the GermBlast team October of 2018. He originally is from Nairobi, Kenya and has been in Lubbock 10 years.  

He graduated from Lubbock Christian University with a Bachelors in Biology.  He is married and enjoys basketball, ping pong, traveling and spending time with family.

Josh Underwood

Brandon Sisomphou

Service Supervisor

Brandon joined the GermBlast team November of 2018. Prior to GermBlast he was ran his own business.  

He originally is from Dimmitt, Texas and graduated from West Texas A&M University with a degree in Business Management.

He married his high school sweetheart that he has been with for 8 years and they have been married for 3.  They are currently expecting their first child and for fun he enjoys traveling, trying new foods and bowling.  He enjoys spending time with his wife and 3 dogs.

Josh Underwood

Joel Guerrero

Service Supervisor

Joel joined the GermBlast team November of 2014.  He was born and raised in Lubbock, Texas and graduated from Lubbock High School.  

He has a five year old daughter named Sadie Guerrero and loves spending time with her and his family.  Joel loves sports and plays basketball and football competitively in leagues in his free time.

Josh Underwood

Bijan Berenjinataj

Service Supervisor – Dallas

Bijan started with GermBlast in August of 2018 and is originally from Arlington, Texas.

He received a Bachelors Degree of Science in Biology with a minor in Chemistry from the University of Texas at Arlington.

Bijan enjoys spending extra time getting caught up on new groundbreaking medical technology or procedures. He is fascinated by genetics metabolic pathways and would like to pursue a career in the medical field.

Josh Underwood

Anthony Perez

Service Supervisor – Dallas

Anthony started with GermBlast in June of 2018 as a service technician and is now a Service Supervisor.  He is originally from Arlington, Texas and attends the University of Texas at Arlington, pursuing a degree in business management.

In his spare time he enjoys running and creating videos.