Our Team - Leadership

Martin O. Nelson Jr.

Martin O. Nelson Jr. is President and Chairman of the Board of MNCO.  Mr. Nelson is a graduate of the University of Washington and holds a Bachelor of Arts in Business Administration Degree with an emphasis in Finance.  He began his career at MNCO in 1970 as a director, and in 1972 joined the firm as a registered representative; he became a principal in 1979.  Mr. Nelson has served on numerous regulatory and industry committees including being Treasurer of the Seattle Security Traders Assn 1980 to 1983, Expert Witness in Securities Criminal Litigation and Civil Arbitration 1984 to 1994, member of the NASD and MSRB Board of Arbitrators starting in 1989, member of the NASD District 3 DBCC 1991 to 1993, Chairman of the Board NASD District 3 in 1993, member of the NASD District 3 Surveillance Committee 1994 to 1996, member of the NASD nominating committee for District 3 1994 to 1996 and 1998 to 2000, member of Securities Industry Assn Board of Directors 1994 to 1996, and member of the NASD Small Firms Advisory Board in Washington DC 2003 to 2005.  Mr. Nelson has also served on the Board of Trustees of Fred Hutchinson Cancer Research Center from 1993 to 2009, serving as Chairman of the Foundation Board from 1995 to 1999.  He is currently on their Board of Ambassadors.  Mr. Nelson is also managing director of MON LLC, a family real estate LLC that owns two buildings and a marina on Lake Union.

Frederic Roebke

Frederic Roebke is the Vice President of Investment Securities and a principal of the firm. He joined Martin Nelson & Co., Inc in 1999 as a registered representative. In 2000, Mr. Roebke became a principal of the firm. He helps his clients build portfolios of investments that are appropriate for their individual investment needs and goals.  Mr. Roebke is experienced in the analysis of equities, municipal bonds and investment products for his clients.

Mr. Roebke is a lifelong resident of Seattle, WA where he resides with his wife Kristina and their two children, William and Lydia. He currently serves on the board of the David McKinlay Trust, a trust that supports nonprofit organizations in King County that serve homeless youth in the region.


Sabine Koenig

Sabine Koenig (“Sasha”), Secretary/ Treasurer,  is the Chief Compliance Officer and Operations Manager for Martin Nelson & Company. Sasha was born and raised in Germany and graduated from college in Germany with a degree in business and economics.  After working several years in business in Europe, she came to Seattle and completed an internship with Martin Nelson & Company in 2000, where she passed the series 7, 24, 27, 53 and 63 exams.

She returned to Europe and became the operations manager and compliance associate for Hornblower Fischer & Co., a NYSE member broker/dealer with headquarters in Frankfurt and multiple branch offices, including New York, Zurich, Hamburg, Munich and Berlin.Sasha returned to Seattle in 2002 and started to work full time for Martin Nelson & Co. and is now our chief compliance officer and operations manager. Sasha is fluent in four languages (German, English, French and Italian).


Learn More
Questions? We are here to help! Just fill out the simple form below and we will contact you.
I am interested in: