Tailored solutions for your complex needs

Young family on beach

We recognize and appreciate the creativity, sacrifice, and perseverance required to build substantial family wealth.

We believe every family, looking at the next generation, hopes to impart advantages that are more than just material and financial. Suitable investment advice is fundamental to our relationship. However, we look beyond investment philosophy to the even bigger vision: helping to preserve your family’s wealth, and sustaining your family’s legacy and values for generations to come.

Copper Tree Wealth Management

Pursuing your goals together

Our mission is to provide quality strategies customized to your needs. Our goal is to be your primary source of financial advice. To this end, we concentrate our efforts on developing long-term relationships through a commitment to quality client service.

  • Carter Crum Profile Photo

    Carter Crum, CFA, CRPS

    Senior Vice President–Wealth Management

    Portfolio Manager

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    • AK
    • AR
    • AZ
    • CA
    • CO
    • DC
    • DE
    • FL
    • HI
    • IA
    • ID
    • IL
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    • MA
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    Carter joined UBS in 2010, and brings to the team more than 17 years of experience advising both Institutional and Individual clients. He launched his career in 1999 in Menlo Park at what was then the largest advisory team at Smith Barney after serving six years as an officer in the U.S. Navy.  Prior to joining UBS, he successfully help build and then sold a  Private Wealth and Investment Banking firm where he gained unique insights to all aspects of financial markets and structures.

    The majority of the team's clients are executives and founders in Silicon Valley, as well as successful multi-generational family businesses. Carter brings his years of Institutional and Private Wealth experience, and Kate's consultative insight, to craft comprehensive and customized investment strategies for each client. Carter believes in thoroughly explaining each element of a recommendation, so that his clients not only know what they own, but why.

    Carter obtained a B.A in Economics from the University of Pennsylvania, and also has earned the Chartered Financial Analyst professional designation. He and his wife Kirsten have three children, who have helped them become experts in everything from water polo strategy to local drone regulations. Carter also sits on the Board of Trustees of the Los Gatos Art Museum, and has Chaired the Alumni Interview Program for Penn in Silicon Valley for more than 7 years.

    California Insurance License #0C81743 UBS Financial Services, Inc.

    Ca Insurance Agency Inc. License UBS#0512985

    • Forbes Best-in-State Wealth Management Teams, 2024, 2025, 2026The Forbes rating is compiled by Shook Research and awarded annually in January, based on information from a 12 month period ending March of the prior year.

    • University of Pennsylvania, B.A. Economics
    • Portfolio Manager
    • Chartered Financial Analyst
    • Chartered Retirement Plans Specialist
    750 University Ave.
    Suite 250
    Los Gatos, CA 95032
    carter.crum@ubs.com,kate.rathe@ubs.com
    Carter Crum, CFA, CRPS
    750 University Ave.,Los Gatos,CA,95032
  • Katherine Rathe Profile Photo

    Katherine Seidel

    Senior Vice President–Wealth Management

    Endowment & Foundation Consultant

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    • AK
    • AZ
    • CA
    • CO
    • DC
    • FL
    • HI
    • IA
    • ID
    • IL
    • LA
    • MA
    • MD
    • MI
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    • MT
    • NC
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    Kate joined UBS in 2016 bringing more than nine years of Financial Planning and Wealth Advisory specialist experience with her to the team. With a thoughtful and consultative approach, Kate offers highly personalized service to clients who are primarily executives and entrepreneurs. She dives deeply into a client's dreams and aspirations to discover what they want their wealth to do for them, the causes that inspire them and the people who matter most in their lives. Kate has helped her business owners devise effective tax and succession planning strategies ranging from innovative buy-sell agreements, GRATs and Grantor Trusts, to engineering levered ESOPs in order to maximize selling price while minimizing taxation.

    Kate is also one of a select group of UBS Advisors who has earned the Endowment & Foundation Consultant Designation. With this distinction Kate is able to formally provide fiduciary advice to large not for profit organizations. This includes Investment Policy planning assistance, asset allocation studies and analysis, manager searches, and portfolio evaluation and review.

    Kate earned a B.A. in Business Economics from the University of California, Santa Cruz. She and her husband Shaun are avid boaters and enjoy spending time with family on the Santa Cruz beaches near their home. She volunteers with numerous local community organizations, including the American Cancer Society, Catholic Charities, and is a member of the Junior League of Palo Alto Mid Peninsula.

    • Forbes Best-in-State Wealth Management Teams, 2025, 2026The Forbes rating is compiled by Shook Research and awarded annually in January, based on information from a 12 month period ending March of the prior year.
    • Forbes Top Next-Gen (Generation) Wealth Advisors Best-in-State, 2019, 2024, 2025The Forbes rating is compiled by Shook Research and awarded annually in August based on information from a 12 month period ending in March of the award year.
    • Forbes Top Women Wealth Advisors Best-in-State, 2022, 2023, 2024, 2025The Forbes rating is compiled by Shook Research and awarded annually in February based on information from a 12 month period ending September of the prior year.

    • University of California, Santa Cruz, B.A. Business Economics
    • Endowment & Foundation Consultant
    • Institutional Consultant, UBS Institutional Consulting Program
    750 University Ave.
    Suite 250
    Los Gatos, CA 95032
    kate.rathe@ubs.com
    Katherine Seidel
    750 University Ave.,Los Gatos,CA,95032
  • diana espinel headshot

    Diana Espinel

    Vice President–Wealth Management

    Financial Advisor

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    • AL
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    Diana serves as a Financial Advisor with UBS in Los Gatos, CA, where she works with women leaders, founders, and multigenerational families to design financial plans that are both aspiration-driven and practical. Her planning integrates goals, cash-flow, and risk management with an emphasis on clarity - what to do now, what to track next, and how to adjust as life evolves.

    Diana is known for guiding clients through complex life events with steadiness and discretion: equity vesting and liquidity, career breaks and returns, caregiving responsibilities, divorce or widowhood, and philanthropy that reflets personal purpose. She brings a collaborative mindset to family office relationships - helping align investment policy, liquidity planning, and governance so principals, partners, and rising generations share the same playbook.

    With more than a decade in banking and finance, Diana began her career in 2011 with Truist Bank building a foundation in client service and credit strategy before serving as Executive Account Manager at JPMorgan Chase, where she managed complex relationships and coordinated lending and cash-management solutions for high-value clients. Diana holds a B.A. in Business Economics from the University of California, Santa Cruz, and an MBA with a concentration in Finance from Ashford University.

    • Forbes Best-in-State Wealth Management Teams, 2024, 2025, 2026The Forbes rating is compiled by Shook Research and awarded annually in January, based on information from a 12 month period ending March of the prior year.

        750 University Ave.
        Suite 250
        Los Gatos, CA 95032
        diana.espinel@ubs.com
        Diana Espinel
        750 University Ave.,Los Gatos,CA,95032
      • Kim U

        Kimberly Uehlinger

        Client Associate

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                7250 Dallas Parkway
                Suite 1200
                Plano, TX 75024
                kimberly.uehlinger@ubs.com
                Kimberly Uehlinger
                7250 Dallas Parkway,Plano,TX,75024
              • jarod l

                Jarod Landro

                Client Associate

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                        750 University Ave.
                        Suite 250
                        Los Gatos, CA 95032
                        jarod.landro@ubs.com
                        Jarod Landro
                        750 University Ave.,Los Gatos,CA,95032
                      • sean s

                        Sean Sheikowitz

                        Registered Client Associate

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                        • AK
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                        • IA
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                              1285 Avenue Of The Americas
                              New York, NY 10019
                              sean.sheikowitz@ubs.com
                              Sean Sheikowitz
                              1285 Avenue Of The Americas,New York,NY,10019
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                            A new era of wealth is underway

                            And this is your time to define success on your terms.

                            Money isn’t just changing hands, it’s changing meaning. This is your new era of wealth, with real opportunities to pursue your ambitions based on your values.

                            When it comes to building your legacy, we don’t prescribe a single path. We seek to understand yours. Because the best wealth strategy starts with you.

                            A leader in wealth management

                            Backed by the strength of our parent company, UBS AG

                            $7 trn

                            UBS Group invested assets
                            As of 12/31/2025

                            51 countries

                            Our global footprint

                            Global leader

                            UBS is a leading and truly global wealth manager

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