Cynthia Wallace Duncan
Investment Adviser Representative at Summitry, LLC
Professional summary
Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.
Cynthia Wallace Duncan is an investment adviser representative with Summitry, LLC in Foster City, CA, where they have been registered since 2015. They have worked in the securities industry since 2008 and were previously registered with Charles Schwab & Co., Inc. They have passed 5 industry qualification exams, including the Series 65 (investment adviser), Series 7 (general securities representative), and Series 63 (state securities agent). They are registered to provide investment advice in California.
Office
Advisors at this office: 20
Branch office as filed with FINRA, counting current advisors in the directory who work there.
Registrations & licenses
- Investment adviser:
- California
Registration requirements vary by state and service. Contact the advisor's firm to confirm whether they can serve you.
Financial-firm registration history
Registration history as reported to FINRA, most recent first.
Reported employment history
Employment the advisor reported on their SEC/FINRA filings, as of October 8, 2026. It may not be a complete history.
- Golub GroupJun 2005 – no end date reportedSan Mateo, CA
Official records & sources
Data as of May 30, 2026 · Source: SEC IAPD & FINRA BrokerCheck
About Summitry, LLC
These details describe the firm overall. Individual advisors' services, clients, and fees may differ.
Fee arrangements the firm reports
- Percentage of assets under management
- Fixed fee
Arrangements the firm reports on its Form ADV; this advisor may not charge every fee listed. Estimated from the firm's Form ADV — individual terms may differ. Not a quote.
Services the firm offers
Personalized financial planning, investment management, retirement planning, estate and trust planning, equity compensation planning (ISOs, RSUs, NSOs, ESPPs), tax planning, California tax strategies, and wealth management.
Client types the firm serves
Firm assets under management
$1B–$5B
- Firm disclosures (Form ADV)
- No disciplinary history reportedVerify on SEC IAPD
- Advisors listed on AdvisorFinder:
- 30
- Offices listed on AdvisorFinder:
- 1
- Main office:
- Foster City, CA
- SEC file number:
- 801-62398
Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.
Form ADV data as of June 30, 2026
View full firm profileOther advisors at Summitry, LLC
Showing 12 of 30 in the directory
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This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. Cynthia Wallace Duncan has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on BrokerCheck or SEC.gov before making any decision. AdvisorFinder may be compensated for referrals generated through this page.
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