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About John Zerwas
- John McCall Zerwas, Sr.
- (born March 24, 1955), is a physician from Richmond, Texas, who was a Republican member of the Texas House of Representatives.
- He served as the representative for House District 28, which is primarily located in Fort Bend County.
- Zerwas was appointed executive vice chancellor for health affairs for the University of Texas System and assumed office on October 1, 2019.
- He resigned his House seat effective September 30, 2019.
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