1. Materials Science and Engineering and Bioengineering, University of Texas at Dallas, Richardson, Texas, USA
2. Co-founder (Advanced Diamond Technologies, Inc, sold in 2019), Lemont, IL, USA
3. Original Biomedical Implants (OBI-USA), Richardson, TX, USA
4. Original Biomedical Implants (OBI-México), Hermosillo, Sonora, México