The big picture of what we do is to help companies find ways to fulfill society’s needs in a way that can be sustained by our environment over the long term. - John Slavich
John Slavich
Video of John Slavich
214.692.0081 (Direct)
214.692.6610 (Fax)
Guida, Slavich & Flores, P.C.
4201 Spring Valley Road, Suite 1150
Dallas, Texas 75244

Mr. Slavich, a shareholder in the firm, has a diversified environmental law practice where he provides strategic advice to clients on a broad range of environmental issues, including the environmental aspects of real estate, corporate, and commercial transactions, remediation matters, brownfield redevelopment, risk management, compliance matters, and sustainability. He enjoys structuring deals that resolve issues at environmentally-impacted properties to get those properties back into productive use. His environmental practice is complemented by more than a decade of prior experience practicing corporate finance and commercial law.


  • J.D. - Washington University in St. Louis School of Law                                                                                      Member of the Board of Editors, Washington University Law Quarterly
  • M.B.A. - Southern Methodist University
  • B.A. - Earlham College

Bar Admission

  • Texas


  • Listed in Best Lawyers in America (2023)
  • Named as one of the Best Lawyers in Dallas: Environmental Law 2021 by D Magazine.
  • Listed in Chambers USA - Guide to America’s Leading Business Lawyers (2021).
  • Named as a Texas Super Lawyer by Thomson Reuters Services as published in Texas Monthly magazine in their inaugural listing in 2003 and in each subsequent listing.
  • Listed in Who's Who Legal: Environment 2021
  • Rated AV by Martindale-Hubbell.


  • Member, Environmental Law Section (Chair, 2001) and Real Property Section of the Dallas Bar Association
  • Member, SMU Real Estate Society