Frank M. Parker, III
General Partner
CIH, CSP, PE, DEE

Frank is one of the leading industrial hygiene experts in the nation. He has provided expert testimony on a host of hazardous chemicals to include the highly litigated asbestos and benzene issues. Many of his cases have received national recognition. They have increased awareness of the need for added safety precautions associated with exposure to hazardous chemicals in the workplace. Frank's leadership in the asbestos arena has also been utilized by the State of Texas. As a committee member, Frank has assisted and advised in the planning and writing of the initial and current health regulations covering exposure to asbestos throughout the state. Frank was a founding partner in 1982 of Southwest Occupational Health Services, Inc., that became Environmental Technologies, Inc. (ETI) in 1986, which was absorbed by Caliche, Ltd. in 2004. He has served as a leader on the industrial hygiene teams of Fortune 100 petrochemical companies at both the corporate and regional levels. Frank recently served his community by completing two terms as Mayor. He retired as Colonel from the United States Air Force Reserves, where he made significant contributions to the one of the world's best industrial hygiene programs.

Gerry Luther
General Partner
CIE, OHST

Gerry joined the Caliche team on August 8, 1988, at 8:00 am. He has over 36 years of experience dealing with various environmental, health and safety issues. Gerry leads all operations and is well known for his innovative style and "Can-Do Attitude" throughout the region. Gerry is the primary contact for off shore and maritime operations and travels extensively across the nation to advise, assist and implement our clients' industrial hygiene and occupational safety programs. Prior to becoming a consultant, Gerry served 20 years in the Bioenvironmental Engineering Corps of the US Air Force. In addition to managing and performing all types of environmental, industrial hygiene and safety operations in the field, he served as a Master Instructor at the Air Force's well-known School of Aerospace Medicine. There he taught officers and enlisted troops industrial hygiene and environmental principles and how to perform scientific studies to determine occupational exposures. Gerry has served as an officer on various professional organizations to include the American Industrial Hygiene Association and the American Society of Safety Engineers.

Martin Barrie, J.D., Ph.D
Vice President – Middle East Operations

Caliche, Ltd. is pleased to introduce Dr. Martin D. Barrie as the newest member of our team.

Dr. Barrie is an environmental and health scientist with over 25 years combined experience in the disciplines of epidemiology, health toxicology, industrial hygiene, and regulatory compliance. Dr. Barrie's areas of expertise include quantitative and qualitative risk and exposure assessment, determination and assessment of associations between toxicant exposures and various disease outcomes (occupational and environmental epidemiology), health toxicology, and the integration of the environmental and health sciences with legal practices and regulatory compliance.

Dr. Barrie has practiced as a field industrial hygienist and safety engineer for several international oil and support services companies, performing comprehensive area and personnel occupational monitoring and environmental and exposure assessments in refining, chemical, and offshore drilling and support operations to identify, evaluate and control potential exposures and impacts to various chemicals, products and physical agents.

Dr. Barrie was born and raised in Saudi Arabia and has worked in-Kingdom for several companies, including the medical department in Saudi Aramco. He has extensive knowledge of the business practices, customs and language, and has established business contacts throughout the Gulf region.