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Donald Hejna Jr.

Advisor at Stantum, LLC

Updated today

Location

Los Altos, CA

Credentials

CFA®, Series 65

Industry experience

12 years

About

Donald Hejna is a CFA® charterholder and holds a Series 65 license with 12 years of experience in the financial industry. He is the principal at Stantum, LLC, an independent advisory firm, and has held roles at Microsoft Corporation as a principal data science manager and at Accenture, LLP. He also serves as a teaching assistant and facilitator at Stanford University Graduate School of Business. Outside of his advisory work, Hejna is the managing partner of Virentem Ventures, LLC, a software and technology company. Stantum provides financial planning and portfolio management services to individuals, corporations, trusts, and other entities, employing a quantitative, risk-focused approach that incorporates Monte Carlo simulations, optimization techniques, and machine-learning methods. The firm offers a combination of traditional advisory services and specialized analytical projects, including securities ratings and bespoke valuation models.

Client services

Based on Stantum, LLC

Financial planning Portfolio management Selection of other advisers Newsletters or periodicals Educational seminars or workshops Valuations

Expertise

Based on Stantum, LLC

Concentrated stock management Options & derivatives strategies Wealth management

Occupation focus

Based on Stantum, LLC

Founder/Business Owner Technology Professional

Fee options

Fixed

$2,500 for preparation of a financial plan

Percentage

$0 - $1,000,000: 1.00% $1,000,000 - $5,000,000: 0.75% $5,000,000+: 0.50%

Project-based

$150 to $300 per hour depending on service complexity; $150 standard rate; $200-$300 advanced financial planning; $300 institutions and large corporations

Location

Los Altos, CA

Most active in

California · New York · Utah

Work history

Microsoft Corporation

2024 - Present (2 years)

Accenture, LLP

2021 - 2024 (3 years)

Stanford University Graduate School of Business

2014 - Present (12 years)

Stantum, LLC (f.k.a.: Kestros Capital Management, LLC)

2014 - Present (12 years)

Virentem Ventures, LLC

2010 - Present (16 years)

Disclosures

Exclamation point means they have disclosures of this type. Check mark means no disclosures of this type were found.

Business activities & affiliations

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Series 65, Series 66

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General retirement planning Income planning General tax planning Cash flow / budgeting Founder/Business Owner Attorney
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Series 65

San Jose, CA

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Active portfolio management
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Cash flow / budgeting Debt management College savings (529s, UTMA, etc.) General retirement planning Retirement withdrawal strategies

Deirdre H

CFP®

Menlo Park, CA

Branch & Bloom Financial Planning, LLC

Financial Planning for What Matters Most Your financial plan should reflect what matters most to you. I begin every client relationship by understanding your values and goals. Together, we review where your money is going and identify opportunities for saving, investing, and living the life you envision. We then integrate relevant planning areas such as investment analysis, retirement planning, tax strategies, education funding, risk management, and estate planning. Financial planning can often feel overwhelming, so I organize the process into clear, manageable steps and strive to make complex concepts understandable. We begin with your most urgent priorities and incorporate additional tasks as we make progress, building momentum together. With a background in engineering and technical project management, I bring a structured, creative, and thoughtful approach to every conversation, ensuring each step is purposeful and aligned with your goals. Whether you're seeking comprehensive or hourly planning, our work is tailored to the topics that matter most to you. My process stays grounded in your values, so each step supports your unique goals and priorities. As a fiduciary, I always put your interests first, offering honest guidance and clear, transparent fees. Whether you want hands-on support or prefer to implement your plan yourself, I'll provide a complete and actionable roadmap for your financial journey. My practice is built on trust, transparency, and a deep commitment to my clients' success. Nothing is more rewarding to me than seeing clients become thoughtful stewards of their wealth, gaining clarity and confidence, and building a future rooted in what matters most.

Wealth management General retirement planning General tax planning HENRY (High Earners, Not Rich Yet)
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CFP®, Series 63, Series 65

San Mateo, CA

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Retirement income strategy Income planning Elder care planning General tax planning Cash flow / budgeting Approaching retirement
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Mountain View, CA

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Active portfolio management
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