It starts with you
For us, success is about helping you reach your goals, not a number.
See how we work
What’s important to you?
You have priorities and we have the insights you need to keep them front and center.
A real advantage
Industry-leading research and expert analysis are here to help you stay ahead.
Explore our insights
Get the right guidance for you
Connect with an advisor and start a conversation about your goals.
Contact a financial advisor
Not who you're looking for?
Get to know some of our other financial advisors.
Find another advisor
1152 15TH STREET NW
Learn more about an advisor’s background on FINRA’s BrokerCheck
We are a team of seasoned investment professionals with deep roots in our community. We combine the attention and service of a boutique firm with the resources and sophistication of a global platform.
JOHN HASENBERG is a Senior Vice President-Wealth Management and Senior Financial Advisor with 15 years of experience. He works with a broad range of families and corporations, with an emphasis on dentists, business owners and non-profits. John holds the Chartered Retirement Planning CounselorSM and Accredited Asset Management SpecialistSM designations from the College for Financial Planning. John is active in many business and civic organizations. He is a Trustee and Executive Committee Member of the Jewish Primary Day School of the Nation's Capital. He served on the Advisory Board of the Network for Teaching Entrepreneurship (NFTE) for 11 years, including as Board Chair from 2011-2014, and was a member of the Leadership Greater Washington Class of 2007. Before entering the financial services industry in 2001, John was a television reporter and producer specializing in business and political news. His employers included First Business, CNN, The McLaughlin Group, Frontline, NBC4 and FOX5. John received a bachelor’s degree in journalism from Northwestern University. A native Washingtonian and graduate of DC Public Schools, John lives with his wife Kimberly, daughter Ellie and son Benny in Bethesda, Maryland.NANCY HARTSOCK is a Vice President and Senior Financial Advisor who focuses on multi-generational family work. During her 13 years in the financial services industry, she has helped her clients reach their goals through hard work and a common sense approach to successful investing. Nancy holds the Chartered Retirement Planning CounselorSM designation from the College for Financial Planning.Prior to embarking on this career, she worked for 25 years in the health care industry. Nancy earned her Bachelor of Science degree in Psychology and English from Southern Illinois University and her Master of Science degree in Rehabilitation Counseling from the Rehabilitation Institute of Southern Illinois. Originally from Illinois, Nancy has lived in the Washington area since 1998 along with her fiancé, of 20 years, Russell Moore, M.D. Nancy loves travel, fine wine, art, opera and reading.She has served her communities for over 35 years through her commitment to several non-profit organizations. She is currently on the Board of Directors of the Dupont Circle Village and The Woolly Mammoth Theatre Company.ANDREW SHERIDAN joined The Hasenberg Hartsock Group as Team Financial Advisor in November 2014. He is responsible for expanding the breadth of offerings to current clients, as well as developing new relationships. Andrew has worked for Bank of America/Merrill Lynch for 7 years, focusing on service, operations and client management. A native of Long Island, New York, Andrew moved to Maryland to attend Mount Saint Mary’s University, where he earned a BS in Business in 2007. He currently lives in Arlington, Virginia, with his wife Katherine and daughter Cassidy. During his free time, he enjoys coaching youth basketball, cooking, tennis, fishing and reading.JEAN HAGSTROM is a Registered Senior Client Associate at Merrill Lynch. She handles all of the account processing and operations for The Hasenberg Hartsock Group. Jean has worked in financial services for more than 20 years, the last half of that at Merrill Lynch in Chicago.She recently relocated to the Washington area to live near her family. Jean enjoys gardening, watching sports and spending time with her two young grandchildren.Chartered Retirement Planning Counselor (SM) and CRPC® and Accredited Asset Management Specialist (SM) and AAMS® are registered service marks of the College for Financial Planning.
Senior Financial Advisor
Senior Vice President
Reg Senior Client Associate
John Hasenberg is registered to do business in : AL, CA, CO, CT, DC, DE, FL, IL, IN, MD, ME, MN, MO, NC, NY, PA, TN, TX, VA, WA
Nancy Hartsock is registered to do business in : AL, CA, CO, CT, DC, DE, FL, IL, IN, MD, ME, MN, MO, NC, NY, PA, TN, TX, VA, WA
Andrew Sheridan is registered to do business in : AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VI, VT, WA, WI, WV
Privacy & Security
Investing in securities involves risks, and there is always the potential of losing money when you invest in securities.
Neither Merrill Lynch nor any of its affiliates or financial advisors provide legal, tax or accounting advice. You should consult your legal and/or tax advisors before making any financial decisions.
Asset allocation, diversification and rebalancing do not ensure a profit or protect against loss in declining markets.
Investment products, insurance and annuity products:
Merrill Lynch makes available products and services offered by Merrill Lynch, Pierce, Fenner & Smith, Incorporated (MLPF&S), a registered broker-dealer and Member Securities Investor Protection Corporation (SIPC), and other subsidiaries of Bank of America Corporation. Insurance and annuity products are offered through Merrill Lynch Life Agency Inc., a licensed insurance agency and wholly owned subsidiary of Bank of America Corporation.
Merrill Lynch is the marketing name for Merrill Lynch Wealth Management, and Merrill Edge®, both of which are made available through Merrill Lynch, Pierce, Fenner & Smith Incorporated ("MLPF&S"). Merrill Edge is available through Merrill Lynch, Pierce, Fenner & Smith Incorporated (MLPF&S), and consists of the Merrill Edge Advisory Center (investment guidance) and self-directed online investing.
Trust and fiduciary services are provided by U.S. Trust, a division of Bank of America, N.A., Member FDIC, or U.S. Trust Company of Delaware. Both are wholly owned subsidiaries of Bank of America Corporation.
Banking products are provided by Bank of America, N.A. and affiliated banks, Members FDIC and wholly owned subsidiaries of Bank of America Corporation.
MLPF&S and U.S. Trust make available investment products sponsored, managed, distributed or provided by companies that are affiliates of Bank of America Corporation or in which Bank of America Corporation has a substantial economic interest.