Parvez Athar

Senior Accountant

Parvez Athar, Senior Accountant of Birtcher Anderson & Davis. Mr. Athar is responsible for accounting and financial administration.  His responsibilities include safeguarding assets and assuring accurate and timely recording of all transactions. Parvez is responsible for the corporate financials and administration. Parvez has over 15 years of commercial real estate experience including land development, retail and shopping centers, tenant-in-common-owned properties, industrial parks, and commercial offices.  Mr. Athar holds a Bachelor of Science in Business Administration and Accounting from California State University, Fullerton.

Dianne Randazzo


Dianne Randazzo joined Davis Partners in 1996.  As a Portfolio Controller for Birtcher Anderson & Davis, Dianne oversees all lease administration, accounting and client reporting requirements for a Commercial mixed-use portfolio. Dianne has been an integral part of several accounting and budgeting software conversions.  Dianne has over 30 year of commercial real estate experience including, property management, leasing, lease administration, accounting, budgeting and auditing.  Dianne obtained her CA DRE Real Estate License in 1995 and became a Broker in 2017.  She continued her education and become a WA Managing Broker in 2018.  In working with clients and staff Dianne strives to ensure that the client’s expectations are continually met or exceeded.

Alexander Yun

Accounting Manager

Alex Yun currently serves as Accounting Manager of Birtcher Anderson & Davis where he is responsible for supervising operations our property management accounting team. Alex has 5 years of public accounting experience, over 8 years of commercial real estate experience, including retail and shopping centers, industrial spaces, residential, commercial, and mixed-use properties. Alex holds a Bachelor of Science from University of California, Riverside and a MBA from Plymouth State University.

Brad Gienger

Regional Director

Brad Gienger serves as Regional Director at Birtcher Anderson & Davis where he is responsible for the management of commercial assets spanning from Los Angeles to South Orange County, including overseeing tenant improvement and capital construction projects. Brad brings over 20 years of experience to the firm with companies such as Anderson Real Estate and Rodeo Drive Associates. He is a former Board Member of the Century City Chamber of Commerce and BOMA TOBY award winner. Brad lives in Redondo Beach where he enjoys playing beach volleyball, golfing and traveling with his wife and twin son and daughter.

Michele Howlin

Regional Director

Michele Howlin joined Davis Partners in 2005.  As a Regional Director, Michele oversees Property Management for over 3 million square feet of commercial assets in the Orange County and Inland Empire areas.  Michele enjoys the full-service approach of property management, including, leasing, construction and day-to-day oversite of the assets.

As a member of the commercial real estate industry since 1997, Michele has worked for owners such as Transpacific Development Company, Spieker Properties and Equity Office.

In her spare-time you can find Michele and her husband of 30 years watching their four boys play basketball at college, high school and junior high school.

Darcy Nove

Regional Director

Darcy Nove serves as Regional Director at Birtcher Anderson & Davis where she is responsible for the management of commercial assets throughout Orange County, including Office, Medical Office, and Multi-tenant business parks. Darcy has over 15 years of tenure at the Birtcher Companies.

Kimberly Hart

Senior Property Manager

Kimberly Hart joined Birtcher, Anderson & Davis in December 2022 as Senior Property Manager overseeing a Class A office and business park portfolio in San Diego. Kimberly has over 20 years of real estate experience, including property management and ground-up development in commercial real estate and serving as Managing Broker for residential sales. Prior to joining Birtcher, Anderson & Davis, Kimberly worked at Davis Partners as Property Manager for an office and industrial portfolio, and as Project Manager for ground up development. She also served as owner and Managing Broker of a boutique real estate company in South Orange County, specializing in residential sales and property management. Kimberly first earned her real estate license in 2002 and became a licensed Real Estate Broker in 2009. She was a member of the inaugural class of NAIOP’s Young Professionals Group in 2005-2006. Kimberly earned a B.A in Psychology from Cal State Fullerton, graduating Summa Cum Laude.

Liberty Gutierrez

Regional Director

Liberty Gutierrez is a native to Orange County, CA.  In her 20 plus years’ experience in residential property management, she has worked for companies such as Frontier Investments, Jamboree Management, and Greenwood & McKenzie.  Liberty has a diverse background in Mobile Home Management, Conventional Apartment Communities, and Single-Family Residences.  She also specializes in repositioning properties, lease-up management, and is well versed in Los Angeles and Orange County sub-markets.  Liberty studied Business Management at Cal State Fullerton.

Alexandra Hernandez

Regional Director

Alexandra (Alex) Hernandez joined Birtcher Anderson & Davis in 2021. As Regional Director, Alex is responsible for managing a portfolio of mobile home parks throughout California and Oregon. Alex has 15 years of property management experience and holds a Manufactured-Housing Community Manager (MCM) certification. Prior to joining Birtcher Anderson & Davis, Alex was a Regional Property Manager for Newport Pacific Capital. Alex graduated from California State University, Fullerton with a Bachelor of Arts in Communication.