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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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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. Ms. Wang 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 vendor relationship and project management. She was a liaison coordinating military contracts with corporate and governmental agencies in Guangzhou, China. Additionally, she supported and managed vendor databases and client relationships for the Port of Oakland. Ms. Wang is responsible for managing and developing the firm's domestic and international client relationships. She has received numerous accolades for her outstanding level of service in addressing clients' diversified needs. She also works closely with the Portfolio Management investment 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 Andr&‌eacute; Kofingba, 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 7, 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).


Main Office
Transamerica Pyramid
  • 600 Montgomery Street, 40th Floor
    San Francisco, CA 94111
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Quantum Capital is an independent, wholly owned subsidiary of Sterling Bank & Trust, FSB,, and is the investment manager for Sterling Private Bank

  • 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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