David Mammel

Shareholder N.E.

Chairperson of Estate Planning & Administration

Based in Chapman Law Group’s Detroit Office

About Me

David has practiced law for 22 years and specializes in estate planning, wills, trusts, probate and defense of medical malpractice and civil rights lawsuits. He is licensed in both Michigan and Indiana.

David is a Special Fiduciary at the Oakland County Probate Court. He is dedicated to educating the public on issues in estate planning including providing assets and care for loved ones, limiting taxes, and establishing health care protocols. David strives to serve each individual client’s estate planning needs, tailoring each plan to address wealth preservation and family financial security.

David holds a Certificate of Completion in the areas of Probate and Estate Planning issued by the Institute of Continuing Legal Education and the Probate and Estate Planning Section of the State Bar of Michigan. 

With respect to defense litigation, David has successfully defended numerous lawsuits through dismissals or “no cause” jury verdicts.

David and his wife, Filippa, have two children, Jonathan and Angela. David completed his two-year term as the president of the Lutheran Church of the Redeemer in Birmingham, Michigan, in 2009, and he has served as a church elder for 10 years. David enjoys playing and watching sports and attending his son’s theatrical productions and daughter’s dance recitals.

Company Quotes – “David B. Mammel has been a vital member of our Michigan team serving our clients in places such as Troy and Detroit”


  • Taking Control of Your Family Decisions: How to Leave a Lasting Christian Legacy to Your Loved Ones through Estate Planning  
  • Roth IRA – 2010 Conversion Rules, Strategies & Planning Techniques in a Perfect Storm: How to manage your wealth estate and legacy in today’s economy Rochester Community House; Birmingham Community House
  • Are you Up to Date? Keeping Your Estate Plan on Track – 2008
  • Taking Control of Your Family Decisions – 2008
  • Current Medical Malpractice Issues for Nurse Practioners – 2008

Contact Me

Got A Question?

Contact us now to schedule a consultation with David.

Legal Qualifications

Admitted to Practice

  • Indiana, 1995
  • U.S. District Court, Northern & Southern District of Indiana, 1995
  • Michigan, 2000
  • U.S. District Court, Eastern District of Michigan, 2000
  • U.S. District Court, Western District of Michigan, 2003

Legal Education

  • Indiana University School of Law, J.D., 1994
  • University of Michigan, B.A., Communication / Political Science, 1989


  • Indiana State Bar
  • American Bar Association
  • State Bar of Michigan
  • Delta Theta Phi Member, Directors Guild of America, 1990
Darlene Goachee
Darlene Goachee
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David Mammel has been awesome.
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