WestMar Management

Dana Silverthorne


Dana joined WestMar Property Management as President | CEO in 2021. As President | CEO of WestMar Property Management, her responsibilities include operational and financial strategy, oversight of accounting, investor/owner relations, and asset management. Dana is also responsible for the company’s portfolio of properties and overall company growth and development. In addition to her responsibilities as President | CEO, Dana also serves as a Property Manager to all projects/properties within the WestMar portfolio.

Prior to joining WestMar in 2021, Dana worked as a Tax Manager at PKC Kuebler, APC which is a local accounting firm servicing various industries, including commercial real estate. During her 12-year career as a CPA, Dana managed a diverse, complex, extensive book of business; she fostered numerous client relationships and assisted clients with tax/financial planning and asset-liability management.

Outside of work, Dana enjoys riding horses, skiing, attending her kid’s sporting events, and enjoying time with family. Dana holds a Bachelor of Accountancy degree from the University of San Diego and is a Certified Public Accountant (CPA). Dana is also a California Licensed Real Estate professional (DRE License: 01869124).

CA License 01869124

Mark Esbensen


Mark is a licensed California Real Estate Broker, specializing in the leasing and selling of retail and office properties.  With over 30 years’ experience in the commercial real estate industry, Mark has been involved with many of the significant real estate transactions that have shaped Southwest Riverside and North San Diego Counties (including shopping centers, auto dealerships, and office developments).

Mark has been a partner in WestMar Property Management since it was founded in 1998 and in WestMar Commercial Real Estate since it was founded in 1988.  In the last 20 years he has represented clients in more than 1,000 transactions totaling more than $436 million dollars.

CA License 00713990

Amy Chilibolost

Amy Chilibolost


As WestMar Property Management’s Vice President of Operations, Amy Chilibolost oversees the Company’s efforts with regard to third-party real estate and property management operations.  With more than 18 years of industry and property management experience, Amy brings a wealth of knowledge and resources to the WestMar Team.  Amy started her career at WestMar in 2009 after working for several other reputable management companies.  Amy has substantial experience managing and supervising staff members and handling associated personnel matters.  She is well versed in owner and tenant relations, tenant improvement projects, lease administration, budgeting/forecasting/reconciliations, and real estate accounting, among other related areas. From helping to raise its profile within the commercial property management sector to streamlining communications and serving as a key resource for Company principals, Amy plays an instrumental role in WestMar’s success.