Contact Home » Contact Your Name (required) Your Email (required) Subject Your Message Δ Environmental Division Manager Paul Franklin 903-736-9703 pfranklin@cslease.com Senior Project Manager / Environmental Scientist Chris Hightree 903-720-4919 chightree@cslease.com Senior Environmental Project Manager Buford Collier 903-808-3150 bcollier@cslease.com Project Manager Brandon McNeill 903-407-9265 bmcneill@cslease.com Administrative Assistant Lauren Garcia 903-988-8642 lgarcia@cslease.com Regulatory Specialist Matt Lyon 903-988-8642 mlyon@cslease.com Professional Geologist Rob Pierson 903-988-8642 rpierson@cslease.com