Who We Are

EPS Phoenix Team

Todd Matte, President

Todd has 30 years of experience in the oil and gas sector where he worked for operators such as Matte’s Marine Expeditors, D&C (Danos & Curole), OCS and ASCO plc before becoming co-founder and now sole owner of EPS. Todd has a diversified amount of experience in operations, personnel, management, recruiting, and sales & marketing.

Kristian Wadleigh, Partner

Mike Pontiff, General Manager

Mike has 30 years of experience in oilfield operations. Previous employers such as L&L Oil Company, ASCO plc, ELI (Energy Logistics Inc.) and eventually EPS Logistics have given Mike an extensive amount of shorebase, marine and logistics management knowledge and experience vital to the oil & gas industry. Mike oversees all EPS Companies.

Frank Stoltz, Operations Manager

Frank began his career in 1977 as an EMT and obtained his Paramedic certification in 1987. He began his EMS management career in 1990 as a Field Supervisor, quickly advancing to Sr. Field Supervisor then Operations Manager. In 2008, Frank accepted the opportunity to manage medical services in the oil and gas industry. Frank has been recognized as a leader in this specialized field of service and has managed medical services domestically and internationally. Frank is committed to having a positive impact on our clients by providing quality medical care using the latest technology, equipment and experienced personnel available.

Brian Swisher, Business Development

Brian Swisher has been in the Permian Basin since moving to Kermit, TX in 1982. He is a 2001 Graduate of Texas Tech University and has a working knowledge of the Permian Basin’s oil and gas industry. He has been with EPS Phoenix since the 2019 grand opening and shares the quality, accommodating and trustworthy reputation that EPS Phoenix has become known for in the Permian Basin.

Dr. Aaron S. Tiffee, M.D., FACEP

Dr. Tiffee graduated from AUC School of Medicine in 2012. He completed residency training in Emergency Medicine at LSU Baton Rouge at Our Lady of the Lake Regional Medical Center in 2016. Prior to becoming a physician Dr. Tiffee was a paramedic for 15 years with EMS giving him vast experience in the pre-hospital and in-hospital setting of caring for acutely injured and ill patients.

Dr. Russel N. Smith III, M.D., FAWM

Dr. Smith graduated from Ross University School of Medicine in 2002. He completed his Family Medicine residency in 2005 in Baton Rouge, Louisiana. His work experience includes 5 years of family practice and 10 years of emergency medicine. Dr. Smith finished his fellowship in wilderness medicine in 2014. This path has given him extensive medical training in a variety of environments.

Joann Guillory, FNP

Joann Guillory, a Board-Certified Nurse Practitioner with 10 years nursing experience, completed her undergraduate studies at Miami Dade College in Miami, Florida, and obtained her Master’s in Nursing at Chamberlin University in Chicago. Joann has dedicated her career to serving and promoting effective care and wellness to the oil and gas industry. Joann is a compassionate healthcare professional that enjoys hands-on patient care with a strong focus to detail. Her vision is to ensure consistent, long-term and proactive solutions that result in healthy living and better health outcomes.