Executive Management

Mark Monson


Mr. Monson has over 25 years of executive healthcare and human service experience with a specialty focus in behavioral health, employment and developmental services, early education and special needs education, and acute/post-acute medical rehabilitation. His comprehensive management experience encompasses expertise in healthcare and human services operations management, strategic and facility planning, physician recruitment, business development and acquisitions, utilization review, advocacy and public policy, budget, performance improvement, managed care contracting, marketing, and governmental relations and regulatory compliance. Prior to joining CPES, Mr. Monson was the President and CEO of Fairbanks/Hope Academy, a 110-bed specialty hospital and charter school in Indianapolis, Indiana.

Mr. Monson received a Bachelor of Arts degree in Psychology from the University of Minnesota and a Master of Science degree from the University of Arizona.  His certifications include Fellow, American College of Healthcare Executives; Senior Member and Certified Quality Manager, American Society for Quality; and National and State Examiner, Malcolm Baldrige National Quality Award Program.


Linki Peddy

Regional Vice President, Arizona

Formerly an Associate Director in the Tucson area, a position she has held since 1990, Ms. Peddy is responsible for all aspects of the agency including program development and operations.  Ms. Peddy has experience with program and operational management of CPES’ developmental services, a task that encompasses contract development and negotiation, planning and implementation of new services, supervision of management staff, quality assurance, and allied activities.  Ms. Peddy oversees service delivery in a variety of settings, including in-home support, vocational training, early intervention services to infants and toddlers, family foster care and developmental home services, and day programs, as well as residential services for adults and teen-agers with developmental disabilities and co-existing mental health disorders.  Ms. Peddy’s responsibilities have included oversight of up to 20 middle management staff, supervision of State and Federal licensing compliance, response to requests for proposals and coordination of individual program budgetary matters. Ms. Peddy has provided services to people with disabilities since 1976 and has extensive experience in providing direct support to individuals and their families.


Michele Ferrall

Regional Vice President, California

Ms. Ferrall received her Master’s in Education & Special Education from the University of Nevada and also holds a Bachelor’s Degree in Psychology from the University of Nevada. In her role as Deputy Administrator for the State of Nevada she had oversight responsibility for over 6,200 persons with intellectual disabilities and related conditions and held responsibility for over 500 staff.


Mary Lynn Greenhow

Vice President, Administration

Ms. Greenhow has a singular grasp of the day-to-day operation of programs at CPES as a result of the positions she has held since coming to the agency in 2003. She has managed programs of increasing complexity, served as the point of contact for corporate facility issues, developed and revised service and operational policies, monitored changes in Federal and State regulations to determine their impact upon CPES, and handled licenses, permits, contracts, data validation and billing concerns. In her current role, she has primary responsibility for compliance, legal issues, stewardship of corporate policy and procedures and maintenance of the corporate record. Ms. Greenhow earned a Bachelor of Science degree in Public Administration and a Masters Certificate in Digital Information Management at the University of Arizona, where she was the recipient of the Institute of Museum and Library Sciences’ Laura Bush 20th Century Librarian Scholarship.


Teresa Thienhaus

Vice President, Human Resources / ESOP

Ms. Thienhaus has worked in the field of employment law and human resources for over 15 years. As a Senior Deputy Attorney General for the State of Nevada, Teri represented the Nevada Department of Transportation and other state agencies in a number of personnel matters in state and federal courts, and in administrative hearings. She has experience in Title VII discrimination cases involving race, gender and national origin discrimination and sexual harassment, at the EEOC stage and in federal court. In addition to her litigation experience, Teri has provided day to day advice and counsel to employers on matters concerning workers’ compensation, unemployment, wrongful termination, the Fair Labor Standards Act, the Americans With Disabilities Act, and all aspects of leave under both the federal FMLA and the California FEHA, CFRA and PDLA. Teri served as the Director of the Nevada Department of Personnel for three years, under appointment from two governors.

Ms. Thienhaus’ first career was in Psychiatric Nursing. She received her undergraduate degree from the University of Cincinnati, McMicken College of Arts and Sciences, and her Juris Doctor from the University of Cincinnati, College of Law.


Ramona Durrer, RN, MBA

Director of Quality Management

With many years of health care experience, Ms. Durrer is devoted to the provision of quality care and customer focused activities. She brings a wealth of knowledge to the arena of human services having provided oversight and leadership for case management, quality improvement, disease management programs, and utilization management. Additional expertise includes contracting, compliance, credentialing and accreditation activities with Joint Commission, National Committee for Quality Assurance (NCQA) and HEDIS reporting.

Ms. Durrer has provided strategic and operational oversight for allopathic, complementary, alternative medicine and allied health programs. She has developed methods to improve utilization and net profit, negotiated contracts, facilitated and acted as risk mitigation director and corporate representative to insure consistency in philosophy and delivery of services. Ms. Durrer has provided oversight for the development, and implementation of statewide quality improvement programs, health promotion, practice guidelines, utilization management, home care program startup, risk mitigation, credentialing and legal nurse consulting.

Ms. Durrer holds a Master’s Degree in Business Administration, a Bachelor of Science Degree in Microbiology and Chemistry from the University of Arizona and an Associate’s Degree in Nursing. This combination of education has provided for the ability to enhance the lives of others while insuring business profitability.


Susan F. Martinez

Vice President/Chief Financial Officer

Ms. Martinez oversees finance, budgeting, and revenue cycle for CPES and the wholly owned subsidiaries. She received her Bachelor’s degree from the University of Arizona in 2000 and began pursuing her M.B.A. in July 2016 at the University of Arizona. She is involved in strategic initiatives involving ERISA compliance, growth, billing compliance, and risk management. Martinez co-chairs the ESOP Plan Committee, in addition to sitting on the company’s Finance/Audit Committee, Compliance Committee and Risk Management Committee. She has served on the Board of Directors Since February 2017.

Susan has nearly twenty years of financial management and accounting experience. Early in her career as a Controller, she was instrumental in the development and implementation of corporate-wide best practices at Manheim Auctions, a division of Cox Enterprises. Also while employed there, her interest in utilizing technology to improve operational efficiencies led to the co-creation of a system that been adopted as the industry standard method of labeling and marking vehicles for auction. She continues to seek out new ways of using technology to automate and streamline processes.