Our Team


Richard K. Pinel - President, Sierra Corporate Management


Rich Pinel serves as President of Sierra Corporate Management. He joined the firm in 2007, bringing with him 15 years of Property Management experience complemented by another 10 years in Hotel Management.  Mr. Pinel’s unique, customer service-oriented background and orientation are applied to day-to-day operations as he focuses on implementing and enhancing Sierra’s policies and procedures and overall marketing program.


Mr. Pinel came to Sierra from Sunrise Management Company in San Diego, Ca, where he served as Vice President and Director of Property management for Five years. He oversaw the day-to-day operations of this Fee Management Company of nearly 150 mobile home parks and apartment communities located throughout Southern California and into Arizona. Prior to the, Mr. Pinel served as Director of Property Management from the Los Angeles firm of E & S Ring Management Corporation, a private real estate trust. There, Mr. Pinel oversaw a portfolio of nearly 6,000 high-end apartments and associated retail and commercial spaces including boat slips. Prior to his four-year association with E & S Ring, Mr. Pinel managed large residential portfolios with Legacy Partners (Lincoln Property Company) in several Southern California markets and in Las Vegas, Nevada. Mr. Pinel has also worked extensively in the corporate housing environment with R & B Realty Group.


Mr. Pinel attended Rutgers University in New Brunswick, New Jersey where he majored in business. He holds a California Real Estate License and is a candidate for the designation of CERTIFIED PROPERTY MANAGER® (CPM®) from the Institute of Real Estate Management.  He also holds IREM’s ACCREDITED RESIDENT MANAGER® (ARM®) designation. Mr. Pinel was awarded the ARM® of the Year in 2005 and the CPM® Candidate of the Year in 2006 from IREM’s distinguished San Diego Chapter. Mr. Pinel served as an Executive Member and on the Board of Directors for the San Diego Apartment Association. He also served as an Executive Member of the Multi- Housing Council of San Diego. He is always an active participant and continues to serves on several trade association committees.


Debbie McKinney - Director of Operations


Debbie McKinney joined Sierra Corporate Management in 2010.  She serves as a Director of Operations for all parks located in our California portfolio. 


Mrs. McKinney is a State Certified Residential Appraiser and she owned her own appraisal company for seven years prior to coming to Sierra.  She holds a California Real Estate License and following her education she earned a Paralegal Certificate from Saddleback College.  Debbie worked as a Paralegal for eighteen years specializing in litigation and franchising.  Additionally, during her employment as a paralegal she worked under the direction of a Court Appointed Receiver operating nine mobile home parks for two years. 


Throughout her career, Debbie has enjoyed her role in management and the challenges of resolving complex issues.  Her position as Regional Manager for Sierra has offered her  the opportunity to continue utilizing her skills in those areas and to expand upon her prior experiences.  


Sarah Nguyen - Office Manager


Sarah Nguyen joined SCM in March 2000 and is currently the executive assistant to the president, as well as an Administrative Office Coordinator.  At SCM, her responsibilities include managing and supervising the company’s administrative staff, attending to the company’s day-to-day office needs, and performing a variety of tasks to keep the office running smoothly and efficiently.  She also works closely with other departments and with senior staff to ensure that SCM’s mission is carried out effectively.  Even with a heavy load of work, she still managed to go to school part-time at Cal State Fullerton, California, to finish her B.A. program in Management.  She reached her goal and received her degree in May 2008.  She continues to grow and thrive for success and plans to be with SCM for years to come.