Jennifer Burrow
With a degree and background in interior architecture, Jennifer joined Cornerstone over 20 years ago as its space planner, helping tenants envision their business needs as they relate to office space. From there she moved into project management, overseeing tenant and capital improvements. Her knowledge of real estate and her relationships with both tenants and vendors made for a natural progression into the property management division of the Company. Jennifer is currently the Asset Manager for Cornerstone, although you can still find her doing space planning and on job sites from time to time! Jennifer lives in Petaluma, and when she isn't working, she enjoys spending time with her family and friends.
Mike Wagner
Mike is an experienced commercial real estate professional with extensive public and private sector experience. He has worked with Cornerstone since January 2013, coordinating and closing leasing, acquisitions and other transactions. Mike attended UC Davis and enjoys swimming, snow shoeing, drumming and his kids.
Office Team
Knowledgable. Dedicated. Friendly.
Pauline Block
After receiving her MBA from Sonoma State, Pauline spent the first 9 years of her career life in the wine industry. At Cornerstone, Pauline is able to bring her marketing, sales and client relationship expertise to the table, while also leveraging the creative mindset of the company to engage in real estate development and community outreach. In her spare time, Pauline spends time hanging with her husband and two kiddos.
Daniella Zingarelli
Daniella’s background is in event coordination, logistics and creative design which she contributes to Cornerstone’s unique community and customer-centric involvement. Daniella constantly looks forward to attending her next live music event, booking a travel ticket with friends, and sipping wine at the dinner table.
Jen Picard
Jen is in charge of the accounting side – making sure accounts payable, receivables, and and tenant correspondence is handled with precision. She joined the Cornerstone team in August 2018. Outside of work, you can find her riding her road bike, hiking, gardening, and traveling.
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Maintenance Team
Reliable.
Effective.
Trustworthy.
Dave Witt
Dave’s extensive 25-year career has centered around the commercial real estate industry with a focus on tenant improvement projects. He currently manages Cornerstone’s maintenance and engineering functions as well as supervises Cornerstone’s in-house construction. His passions include scuba diving in exotic places like Palau, geode collecting and film.
Danny Santa Cruz
Danny recently joined Cornerstone in October of 2017. He has been working in the construction industry for the past 10 years and brings electrical and plumbing experience to the team. Danny enjoys fishing, spending time in nature and building custom furniture.
Grant Eastham
Born and raised in Sonoma County, when you won't find him on-site you can catch at him many of the local craft breweries or live music events. With 7 years in the Wine industry previously, Grant is ready to take on any task by the horns.
Philip Marsh
Phil is a seasoned building maintenance engineer with over 38 years’ experience, working in a wide variety of property types ranging from high-rise buildings to technology campuses. He has been with Cornerstone for the past 8 years, where he specializes in HVAC systems optimization and preventive maintenance. Phil is a family man with two adult children. His hobbies include woodworking and photography.
Andy Hauptman
Bio Here
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