Together we can do so much.

  • Randy Tsuda, AICP
    Randy Tsuda, AICP
    President and CEO

    Randy joined Alta Housing in 2018 after serving as the Mountain View Community Development Director for over 10 years. His career includes experience in the non-profit, private, and public sectors, and spans real estate, city planning, affordable housing, and economic development. He has worked on projects that received awards from the American Planning Association, American Society of Landscape Architects, and in May 2018 received the “Bringing It Home” award from SV@Home, a policy and advocacy organization focused on increasing affordable housing. Randy was also a lecturer for seven years in the Urban and Regional Planning Program at San Jose State University.

    BS, City and Regional Planning, California Polytechnic State University, San Luis Obispo

  • Sheryl Klein
    Sheryl Klein
    Chief Operating Officer

    Sheryl Klein joined Alta Housing as its first COO after a five year tenure on Alta’s Board of Directors. During her time as Board Chair, she led Alta Housing’s Wilton Court Apartments through entitlements, development and funding.
    At Alta, she is responsible for strategic initiatives and planning. She also oversees the Below Market Rate (BMR) program.  She has 15 years experience in real estate investing and property management. She holds an MBA in Finance from Santa Clara University and a BA in Economics from Barnard College. She is a licensed Real Estate Broker (CA #01844288).

  • Marc Garcia
    Marc Garcia
    Chief Financial Officer

    Marc Garcia joined Alta Housing with over two decades of financial and accounting experience in both affordable and commercial real estate.   Prior to joining Alta Housing, Marc was Director of Accounting at MidPen Housing Corporation and  progressively assumed increasing responsibility in accounting, corporate finance and financial planning and analysis (budgeting, modeling and forecasting).   Marc earned a BA with honors from Menlo College.

  • Carlos Castellanos
    Carlos Castellanos
    VP, Real Estate Development

    Carlos Castellanos joined Alta Housing in 2020.  Previously, he led development in the East Bay for Mid-Pen Housing Corporation.  Carlos has a record of 25 years in real estate development and affordable housing. He enjoys working with the diverse populations of the Bay Area to build healthy, vibrant and safe neighborhoods and making stable, affordable housing the cornerstone to achieving his vision. Carlos has a Master’s of City Planning and Master’s of Science in Transportation Engineering from the University of California, Berkeley and has been appointed to serve as a regional policy advisor to the Metropolitan Transportation Commission, the Bay Area region’s council of governments.

  • Stephanie Shipe
    Stephanie Shipe
    VP, Property Management

    Stephanie manages our portfolio of over 1,000 units—and growing!  She brings over 15 years of progressive experience in multi-family property management with expertise in landlord/tenant law, fair housing, and issues related to affordable and subsidized housing.   Prior to joining Alta, Shipe served as the Director of Portfolio Management for the Housing Authority of the City of Alameda, California.  


  • Kate Young
    Kate Young
    VP, Resident Services

    Named a “Local Hero” by the MidPeninsula Media Center in 2011, Kate Young is committed to an empowering living environment for Alta Housing residents. She oversees The Resident Services Division, bringing onsite services in education, health, and social services to Alta Housing residents. She has been at Alta Housing for over 17  years.

    BA, Asian Studies, University of Puget Sound
    MA Candidate, Intercultural Relations, School for International Training
    ESL Certificate, Seattle University
    Founding Board Member, DreamCatchers
    Certified Youth Program Quality External Assessor

  • Rubi Valencia
    Rubi Valencia
    BMR Administrator

    A Bay Area native Rubi Valencia is an active member of the Silicon Valley progressive community. Rubi has been with Alta Housing for five years and currently is a manager for the Below-Market-Rate (BMR) rental and ownership programs.  Alta Housing administers BMR programs for Palo Alto, Los Altos and Stanford University.   Rubi is fluent in Spanish.


  • Daisy Madrigal
    Daisy Madrigal
    Office Manager

    Daisy is very passionate about helping her surrounding communities and providing assistance to those in need. Daisy spent some time in Southern California to pursue her B.S in Sociology Admin at the University of California, Riverside. She joined Alta Housing earlier this year as our Office Manager. She is responsible for overseeing operations and administrative activities for Alta Housing. In addition, she helps those looking for affordable housing learn about the process, inform on what is available and how to navigate it. Fluent in Spanish, Daisy takes pride in being bilingual to better serve her community and help aid individuals and families in need.