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About me

Sean is a shareholder of the firm and represents real estate developers, health care professionals, closely-held businesses, and not-for-profit organizations. He advises clients in all aspects of the organization and operation of the client's business, including complex sale, financing, merger and acquisition, and tax credit syndication transactions. In addition, a substantial portion of his practice is devoted to tax and estate planning matters for individuals and ownership succession planning for closely-held business owners. Sean has represented clients before the Missouri State Tax Commission and has also represented clients on a variety of issues before the Internal Revenue Service, including IRS appeals and private letter ruling requests. Sean is also an active participant in various bar associations and charitable organizations in the St. Louis area, serving as either legal counsel or as a board member.

In 2005, Sean received the Gary I. Boren award from Washington University School of Law for being the highest ranked graduate from the Masters in Taxation LL.M. program.

From 2001-2003, Sean was a member of the Board of Governors and the Chair of the Taxation Section for the Bar Association of Metropolitan St. Louis. Since 2002, he has served on the Missouri Bar Legislative Review Subcommittee for Taxation and has been the Secretary/Treasurer of the St. Louis 1904 World’s Fair Charitable Foundation.


Practice areas


  1. Tax: 34%
  2. Estate Planning: 31%
  3. Health Care: 25%
  4. Real Estate: 10%



Hourly ($250-315/hour)

Payment types:

Cash, Check, Credit card

Attorney endorsements

1 total 

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  • Kevin L. King

    I endorse this lawyer. Sean is a highly skilled attorney of high moral character. Excellent individual.


    Kevin King Banking Attorney
    Relationship: Opposing Counsel on matter

Contact info

Rosenblum Goldenhersh

7733 Forsyth Blvd., Ste. 400
St. Louis, MO, 63105-1812


ILActive And Authorized To Practice Law200005/11/2016
MOGood Standing, Active199901/08/2013
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
AV Peer Review RatingMartindale-Hubbell2014
Rising StarSuper Lawyers2014
Gary Boren Award (highest ranked graduate LLM program)Wasington University in St.Louis2005
CALI Prize for Tax ResearchUniversity of Missouri Columbia School of Law1999
Work experience
TitleCompany nameDuration
PartnerRosenblum Goldenhersh Silverstein & Zafft P.C.2002 - Present
AssociatePaule, Camazine & Blumenthal, PC2000 - 2002
Association namePosition nameDuration
American Health Lawyers AssociationMember2010 - Present
American Bar AssociationMember2010 - Present
Illinois State Bar AssociationMember2000 - Present
Bar Association of Metropolitan St. LouisMember2000 - Present
Missouri State Bar AssociationMember1999 - Present
Bar of Metropolitan St. Louis - Tax SectionChairman2002 - 2004
Bar Association of Metropolitan St. LouisBoard of Governors2002 - 2004
Legal cases
Case nameOutcome
Missouri State Tax Credit CommissionRecommendations published.
See all legal cases 
Publication nameTitleDate
Primerus Corporate Client E-NewsletterCaptive Insurance-No Longer Just a Planning Strategy for the Big Boys2014
National Business Institute SeminarAdvanced Tax Planning with Trusts2013
American Health Lawyers Association (AHLA)Tax Incentives and Government Subsidies for Long Term Care2010
Institute for Paralegal EducationLLC(s) and LLP(s) for the Missouri Paralegal2002
School nameMajorDegreeGraduated
University of Washington School of LawTaxationLL.M - Master of Laws2005
University of Missouri - Columbia School of LawLawJD - Juris Doctor1999
Saint Louis UniversityBusiness AdministrationBS - Bachelor of Science1996
Speaking engagements
Conference nameTitleDate
St. Louis Healthcare SummitHot Topics in Long Term Care Contracting, Buying, Selling and Developing Senior Housing2013
25th NBI Annual Advanced Estate Planning InstituteAdvanced Tax Planning with Trusts2013
Missouri Self Storage Association Annual ConferenceSelected Tax Issues and Corporate Matters for the Self-Storage Owner2010
American Health Lawyers Association, Long Term Care, Senior Housing, In-Home Care and Rehabilitation Practice GroupTax Incentives and Government Subsidies for Long Term Care2010
LLC(s) and LLP(s) for Missouri ParalegalLLC(s) and LLP(s)2002