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We are a boutique investment firm focused on actively managed investment strategies.

Our clients include both traditional institutional investors and private client high net worth individuals. Quantum Capital Management is an independent SEC registered investment advisor.

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Objective Advice

Each member of your team is committed to offering recommendations that are in your best interest and designed to meet your immediate and long-term goals.

Integrated Decision Making

Your team works together so that all aspects of your personal financial strategy are well conceived and truly comprehensive.

Coordinated Implementation

Our process helps ensure your strategy is put into action correctly, efficiently and with a minimum of effort on your part.


We provide customized solutions that seek to meet your long-term financial and investment objectives.

Overview of Services

Our personalized one-on-one approach to your financial life provides an objective and unbiased perspective. We work side-by-side with a variety of financial partners to provide holistic solutions in the achievement of your goals.

Investment Management

Our investment philosophy focuses on creating and preserving wealth.

We provide an economic outlook, market evaluation, sector analysis, and fundamental research.

Investment services are professionally managed through Quantum Capital, an SEC registered investment advisor.

  • Institutional quality money management for private client investors and institutions on a fee only basis.
  • Balanced Portfolios, Fundamental Research, Active Asset Allocation, Tax Sensitivity, Trading Desk
  • US Stocks, International Stocks, Fixed Income, Money Markets, ETFs, Mutual Funds, Liquid Alternatives
  • Discretionary asset management offering full fiduciary responsibility and accountability
  • Risk-Managed Strategies
  • Retirement Income Strategies
  • Long-Term Growth Strategies
  • Tax management for domestic and international portfolios
  • Portfolios are monitored daily

Retirement Services/Financial Planning

We take the time to fully understand your financial picture.

  • Personal financial planning and analysis is available to provide clients with information on their balance sheet, cash flows and expense projections and savings.
  • We analyze existing long term goals, risk tolerances, time horizons and unique client investment requirements.
  • Individual and retirement planning services.

Our Focus is on You

We measure our success not by the value of assets we manage, but by the clients we satisfy.


Howard B. Aschwald, CFA Chief Investment Officer / Portfolio Manager

Mr. Aschwald is the Chief Investment Officer and leads the U.S. and International Large Cap team. Prior to co-founding Quantum Capital in 1996, Mr. Aschwald started his investment career in 1983 with Morgan Stanley. He then joined the investment management firm of Stein Roe as a technology analyst and portfolio manager. He graduated from the U.S. Naval Academy at Annapolis and recently retired as a Captain in the Naval Reserve. Mr. Aschwald has two MBA's from Golden Gate University. He is a member of the CFA Institute and the CFA Society of San Francisco.

Peter M. Coen Director, Operations and Trading

Mr. Coen is the Director of Operations and Trading. Prior to joining Quantum Capital, Mr. Coen held positions in operations, trading, and strategic planning and analysis at Allianz Global Investors, Natixis Global Asset Management, and Ashfield Capital Partners. Mr. Coen graduated from University College Dublin, Ireland with a BA in History.

Xuan Wang Director, Client Relations

Ms. Wang has over eight years of domestic and international experience in the professional roles of Client Relations, Project Management and Operations. She started her career in 2006 as a Project Assistant for the Investment Informational program for BOCO Inter-Telecom, Co. and later as an Executive Assistant at Guangzhou Hangxin Aviation Technology, where her responsibilities included project management and vendor relationships. She was a liaison coordinating military contracts with corporate and governmental agencies in Guangzhou, China. After joining Quantum, Ms. Wang is responsible for managing and developing the domestic and international client relations. Her client centric focus and outstanding performance has resulted in numerous accolades. She also is a member of the Firm’s operations team. Ms. Wang graduated from Xi'an University of Science Technology in Shaanxi, China with a BS in Communication Engineering. Ms. Wang is a member of the Association of Certified Fraud Examiners. She is fluent in Mandarin and English.

David Xu, CWS® Managing Director

Mr. Xu started his career in the financial industry with Charles Schwab in 2000 in San Francisco, serving investors mainly from countries of the Asia Pacific region. Mr. Xu served as a Vice President/Financial Consultant to grow the business of the affluent investors from this region, assisting investors with financial advice on investments, estate planning, gifting, income tax, retirement. Mr. Xu traveled to Taiwan, Hong Kong, and China to conduct investment seminars, meet with prospective clients, and promote Schwab's products and services. He managed more than 300 accounts in his active practice with a total of $600 million in assets under management (AUM). He ranked #1 in Schwab International and won Chairman's Club in 2015. Mr. Xu graduated from Shanghai Foreign Language Institute and served as a Chinese-French interpreter in many international economic projects, including as a Chinese-French interpreter for André Kolingba, the President Of Central Africa Republic. At the end of his tenure of office, he received the medal of Grand Officer, one of the highest honors of his nation in recognition of his outstanding service. Mr. Xu is a Certified Wealth Strategist (CWS) and holds Series 63 and 66 licenses. He graduated with a Master's Degree from the University of Bangui. He is fluent in English, French and Chinese.

Daniel C. Young, CFP®, CFE Chief Compliance Officer

Mr. Young is the Chief Compliance Officer. Mr. Young has over twenty-five years of experience in finance, economics and portfolio management as a Senior Manager at Price Waterhouse Coopers, and as a Product and Portfolio Manager for multi-asset strategies at WHV Investments. He has developed assets internationally and is a featured speaker on investments, anti-fraud, and macroeconomic topics globally. He is a Research Analyst on the U.S. and International Large Cap team. Mr. Young holds a BS in Accounting and Economics from Southern Connecticut State University and an MBA in Finance from the University of New Haven. He is a CERTIFIED FINANCIAL PLANNER™ professional and Certified Fraud Examiner (CFE).

Sterling Bank & Trust logo

Quantum Capital is an independent, wholly owned subsidiary of Sterling Bank & Trust, FSB,, and a SEC registered investment advisor.

  • Global Investment Performance Standards logo

Quantum Capital Management is an independent registered investment adviser. Quantum Capital Management claims compliance with the Global Investment Performance Standards (GIPS®). GIPS® is a registered trademark of CFA Institute. CFA Institute has not been involved in the preparation or review of this report/advertisement. To view a complete list and description of composites or a full disclosure presentation please email or contact us at 415.738.0288. The full disclosures can also be found above on this page.

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