Elizabeth Romero

Ms. Elizabeth Romero, MS has a Master’s of Science degree focusing in psychology and is the president and sole owner of PHS Concepts. She also brings her skills to PHSC behavior-based ergonomics programs and return-to-work initiatives. She has over ten years of experience providing organizational behavior consulting, developing training, product research, and Safety Analysis Review work for Department of Energy. Ms. Romero’s main focus is directing the business development and expansion in the oil and gas industry and expanding the business into other industries.

Resume LinkedIn

Henry Romero

PHS Concepts’ Technical Specialist is Dr. Henry Romero, CPE. He is a Certified Professional Ergonomist with over 26 years of experience providing ergonomics, human factors, and safety expertise in a variety of environments including oil, gas & chemical (OG&C), nuclear, transportation, heavy manufacturing, health care, baking, and others. Dr. Romero has been a consultant for nearly 10 of those years. His experience is providing services for different Fortune 150 companies and several smaller businesses as well. He has also provided forensics support for several ergonomics related legal cases.

Resume LinkedIn

Chris Blackledge

Chris Blackledge is PHSC’s Senior Consultant. He is a Human Factors Engineer with experience across several industries. He has applied human factors and ergonomics principles to projects in oil and gas, aerospace, law enforcement, military, and automotive industries. Some notable projects he has worked on are the Downstream Wheatstone LNG facility, NASA’s Orion spacecraft, and Department of Justice research on ergonomic standards for body armor. Chris graduated from Mississippi State University with a Bachelor’s of Science in Biomedical Engineering, and a Master’s of Science in Industrial and Systems Engineering specializing in Human Factors and Ergonomics. He has expertise in anthropometry, biomechanics, motion capture, and digital human modeling. He is also a U.S. Army veteran who severed as a Military Police Officer in Operations Enduring Freedom and Iraqi Freedom.

Resume LinkedIn

Lena DeSantis

Lena De Santis earned a B.S. in Bioengineering from Texas A&M University and a M.S. in Biomedical Engineering from the University of Iowa. After graduate school, she hired on as a contractor at the NASA Johnson Space Center (JSC) in Houston, TX in 1999. She became part of the Trash & Waste Integration Group for the International Space Station (ISS), coordinating with Russian scientists to ensure the needs of astronauts and cosmonauts are met. She worked on multiple projects with the Usability Testing & Analysis Facility (UTAF), primarily with the Extravehicular Activity (EVA) engineers, evaluating the usability of the hardware astronauts would use and testing the designs for usability issues. Lena was also responsible for evaluating the payloads going to ISS to ensure they met the human factors requirements. In 2011, she started working as a program integrator for the Human Research Program (HRP), where she was responsible for communicating the weekly HRP accomplishments to NASA Headquarters in Washington D.C. In 2013, Lena joined PHS, Concepts as a Human Factors Specialist.

Resume LinkedIn

Peter Wells

Peter Wells has a BS in both Mechanical Engineering and Industrial Management. He has a high level of expertise that will be greatly influential to PHSC’s services, designing as lead and support for projects that require an extreme level of efficiency and reliability. His services have been greatly influential to projects for The Orion Crew Exploration Vehicle, The U.S. Army, Lockheed Martin Corp., and Boeing Corp. Peter’s experience in mechanical engineering design will provide key insight as he consults for PHSC. He also served in the U.S. Army for nearly a decade before being Honorably Discharged as a First Lieutenant.


Bruce Cunningham

Bruce Cunningham has a MA in Health and Human performance and is a Certified Industrial Ergonomist. He has a variety of skills and experience in both consulting and training others that make him an excellent addition to the PHSC team. Bruce has consulted in industrial, laboratory, warehouse, and office settings. Having trained over 10,000 postal employees and 60 ergonomic teams that measure to a total of one thousand members, Bruce’s knowledge of the ergonomic principles and process is valued by many. He facilitated the ergonomic teams’ assessments of over 900 targeted postal work tasks with an implementation rate of 90%. He has also served for the Army Special Forces in Operations and Intelligence.

Resume LinkedIn