Key Personnel


Robert Yurglich - Image Robert Yurglich
Managing Partner, CPA

Bob began his career with one of the three largest international accounting firms in 1972. Prior to forming Spicer Jeffries LLP, he was the managing partner of the Denver office of Spicer & Oppenheim (formerly Oppenheim, Appel, Dixon & Co.), a firm based in New York and London whose national expertise was in securities and commodities. He began working with over-the-counter investment banking, market making and retail brokerage firms in 1980, several of which were self-clearing firms. He continued to work with numerous broker-dealers and as a result began assisting various funds and other investment entities in the mid-1980's.  In addition, Bob is well qualified in SEC practice as a result of working with a significant number of SEC reporting entities, as well as assisting many clients with their initial public offerings.  He has served as an expert witness before the SEC, FINRA (formerly the NASD) and NASDAQ on various issues.  

Bob received his Bachelor of Science degree from Colorado State University Pueblo and soon after obtained his CPA license.  Bob holds current licenses in multiple states.  He is a member of the American Institute of Certified Public Accountants as well as the Colorado Society of Certified Public Accountants.  Bob is also a Regional Director of the Hedge Fund Association (HFA).

Sean P. Tafaro - Image Sean P. Tafaro
Partner, CPA

Recently made Partner, Sean was formerly the Audit Director for Spicer Jeffries LLP.  Sean provides audit, tax and consulting services to all types of securities companies. During his twelve years with the firm, Sean has specialized in providing services to broker-dealers and investment companies and partnerships, including domestic and off-shore hedge and commodity funds, mutual funds and private equity funds. In gaining an expertise in this area, Sean is well versed in the unique aspects involved in many types of trading strategies and has advised clients on proper structuring of funds and investment management companies.

Sean received his Bachelor of Science in Business Administration with an emphasis in accounting from Colorado State University.  Sean holds active CPA licenses in multiple states and is a member of the American Institute of Certified Public Accountants.

Michael Wayne Callahan - Image Michael Wayne Callahan
Partner, CPA

Mike has been associated with Spicer Jeffries for over fifteen years and heads the firm's tax department. He has acquired in-depth expertise in securities taxation, organizational structure of onshore and offshore funds, international taxation and personal tax planning with fund managers. Mike has been involved in many areas of tax research and planning, including advising broker-dealers and hedge funds on a variety of tax issues and general business consultation including international taxation, multi-state tax planning and compliance and estate and financial planning.  He consults with clients and attorneys from an entity's start-up and formation through various, ongoing operational issues.

Mike earned his Bachelor of Business Administration in accounting from the University of Hawaii.  He is a member of the Colorado Society of Certified Public Accountants and the American Institute of Certified Public Accountants.

Craig Stegeman - Image Craig Stegeman
Audit Director, CPA

Craig joined the audit team at Spicer Jeffries LLP in 1999, focusing on broker dealers and commodity pool operators.  In 2002 he joined another Denver firm to focus on auditing SEC reporting companies.  Craig rejoined Spicer Jeffries in 2011 as an audit manager bringing with him twelve years of experience including the securities industry, reverse mergers, initial public offerings, quarterly, annual and all other SEC filings.  His experience ranges from startup shell companies to operating companies in the film, advertising, gaming software and hardware, homebuilding, franchising, and manufacturing industries as well as securities broker dealers, hedge funds and commodity pools. 

Craig received his Bachelor of Science in Business Administration with an emphasis in accounting from Colorado State University in 1999. Craig holds an active CPA license in Colorado and is a member of the American Institute of Certified Public Accountants.

Tim P. Holscher - Image Tim P. Holscher
Tax Manager, CPA

Tim began his public accounting career in 2001.  In that time, Tim has gained significant knowledge in the securities industry by working with numerous hedge and commodity funds as well as securities broker-dealers.  In addition, he has an extensive experience with international taxation, high net-worth individuals, estate planning and compliance, multi-state tax planning and compliance, construction, light manufacturing, and oil & gas taxation.

Tim obtained his bachelor's degree in accounting in 2002 from the Metropolitan State College of Denver, and received his Master of Taxation from the University of Denver in 2011.  He is a member of the American Institute of Certified Public Accountants, and the Colorado Society of Certified Public Accountants.