Ure R. Kretowicz
Chairman of the Board
Chief Executive Officer
Mr. Kretowicz establishes strategic direction, identifies geographic markets, oversees land acquisition, directs planning and subdivision mapping efforts, coordinates product design, and identifies equity capital vehicles and construction lending relationships.
Mr. Kretowicz started his real estate career in 1975 when he fulfilled various management roles within Shapell Industries, at that time the sixth largest real estate development firm in the United States. In 1983, Mr. Kretowicz co-founded Sunland Communities and Sunland Consolidated, Inc. In 1992, he became a founding director of the Bank of Rancho Bernardo; in 1994, he established Cornerstone Communities Corporation (C3); in 1996, he created the Cove Equity Group and most recently cofounded a partnership with CrossCountry Mortgage.
Mr. Kretowicz presently serves, or has served, on the Advisory Board of San Diego State University’s College of Business Administration, the Building Industry Association’s Political Action Committee (BIA-PAC), the Lincoln Club, the Boards of La Jolla Youth Inc., the Juvenile Diabetes Research Foundation, and the Building Industry Association. In addition, he is an active member of the Harvard Business School Alumni Association and the Harvard Real Estate Society and a past member of Lambda Alpha International, a land economics society. Mr. Kretowicz has served on the San Diego Mayor’s Housing Advisory Task Force under two separate administrations and has received the distinction by being named as “Entrepreneur of the Year” by Ernst & Young and USA Today.
Mr. Kretowicz has been a meaningful contributor to the Juvenile Diabetes Research Foundation (JDRF), the Child Abuse Prevention Foundation, the San Diego Ronald McDonald House, the San Diego Jewish Community Center, and the American Heart Association. The Kretowicz family has been honored by JDRF as the “1999 Family of the Year” and “2005 Corporate Honoree” for their many fundraising efforts. Mr. Kretowicz is an alumnus of both the School of Economics at San Diego State University and the Harvard Business School.
Michael J. Sabourin
Chief Operating Officer
Mr. Sabourin oversees day-to-day operations, reviews internal systems, provides training, initiates and reviews market research, creates merchandising presentations, oversees all in-house sales personnel and field operations, coordinates marketing and merchandising, and oversees builder warranty programs and personnel.
He is also a leader in forward planning for Cornerstone and is involved in the company’s land acquisition and development. Mr. Sabourin works closely with the Chief Executive Officer and the entire Management Team on the product design and pricing as well as the marketing and advertising strategy for each project that Cornerstone develops.
Michael Sabourin is a 37 year veteran of the real estate industry with a broad based international, national, and local marketing background.
A graduate of California State University, Fullerton with a Bachelor of Science degree in Business Management, Mr. Sabourin has been a licensed real estate broker since 1976 and has worked in the residential, commercial, and retail spheres of the real estate profession throughout his career. Prior to joining Cornerstone Communities, he was associated with Grubb and Ellis, where he was involved in brokering large land transactions with residential developers in San Diego, Riverside, and Orange Counties. Previously, Mr. Sabourin founded his own company, Co Equity Corporation, which, as a limited partner of Cal Fed Enterprises (a wholly owned subsidiary of California Federal Savings and Loan), offered real estate services beneficial to entry level homebuyers. Mr. Sabourin co-founded New American Mortgage in 2009 and more recently co-founded a partnership with CrossCountry Mortgage.
Jack E. Robson
Vice President, Land Planning And Development
Mr. Robson oversees all pre-development needs. He manages and oversees permit and map processing, improvement bond exoneration, maintenance of subdivision mapping schedules, and creation and monitoring of off-site budgets. Mr. Robson works with the Management Team on product development and refinement of existing product, and leads due diligence investigations on potential land purchases, reviewing the site’s soil conditions, lot sizes, and infrastructure needs.
Jack Robson’s experience in the residential construction industry spans over four decades. Mr. Robson joined Sunland Consolidated, Inc. in 1987 as a Superintendent, overseeing construction activities for the firm’s developments in Rancho Bernardo, Rancho Peñasquitos, Oceanside, and Murrieta.
Recognizing his hands-on talent, dedication to producing a high-quality product, and excellent rapport with local subcontractors and governmental officials, he was promoted to General Superintendent for the Southern California division in 1990.
As General Superintendent, he was responsible for coordinating the efforts of all the project superintendents, interfacing with and reporting to the executive team, and aiding in purchasing and contracting negotiations with subcontractors.
In 1991, Mr. Robson was promoted to Director of Purchasing and was again promoted in 1992 to Vice President of Operations. He continued in this role upon the formation of Cornerstone Communities in 1994, and has for the past several years served as Vice President of Land Planning and Development.
Jay W. Zimmer
Chief Financial Officer
Mr. Zimmer is responsible for all financial accounting and reporting, budgeting, and cash management. He works closely with the Chief Executive Officer to access equity and construction funding, develops and maintains pro formas for all acquisitions, and interfaces with equity and banking relationships.
Jay Zimmer has over 30 years of accounting and finance experience in the real estate and home-building industry. His background includes substantial experience in financial accounting, cost accounting, budgeting, financial reporting, and fiscal controls.
Mr. Zimmer graduated with a Bachelor of Science in Accounting from San Diego State University and began his career with a large shopping center developer. He went on to earn his CPA certificate with Laventhol & Horwath where he performed audit, tax, and management consulting services for real estate and hotel clients.
In addition, Mr. Zimmer has served as Controller for Barratt American and Shea Homes, both California-based residential developers, where he became proficient in real estate accounting, job costing, cash flows, and cash management. His experience also includes developing project financing and maintaining banking relationships.
Mr. Zimmer joined Cornerstone Communities in January 2001 as Corporate Controller and was promoted to Chief Financial Officer in June 2008.
Kay L. Grimes
Vice President, Purchasing
Ms. Grimes manages the purchasing and options program for all projects. She is responsible for on-site budgets, contracting, and scopes of work; maintaining subcontractor relationships; selection of all options to be offered to buyers; coordinating model design with third-party interior design firms; and overseeing sales office design, corporate social networking, and website design.
Kay Grimes joined Cornerstone Communities in 1997 as its Office Manager and the assistant to its CEO after serving several years in that role with commercial real estate investment firm The Shidler Group (1994-1997) and business consulting group Performance Systems, Inc. (1986-1994). Ms. Grimes was promoted to Director of Purchasing in 2000 and Vice President of Purchasing in 2007.
Ms. Grimes graduated with a Bachelor of General Studies degree from University of Michigan with a focus on Business Administration and English, and went on to study interior design at Design Institute of San Diego.
Ms. Grimes has been selected for her fifth consecutive year to serve on the Building Industry Association of San Diego’s board of directors, and has been chosen as a finalist for the BIA Industry Professional of the Year in 2011, 2012, and 2013. In 2010, she was honored with the BIA Chairman’s Award for outstanding contribution to the industry as well as the Grand Spike award for her recruiting efforts of new members into the association. In 2005, she received the BIA’s Building Industry’s Greatest (BIG) Award for on-site purchasing.
Ms. Grimes is also a member of the board of trustees for the Crohn’s and Colitis Foundation of America’s San Diego/Desert Chapter, served as board president in 2010 and 2011, and has been a top fundraiser for this charity for the past six years.