Ronald M. Sangster Jr.

Contact Ronald M. Sangster Jr.

Ron concentrates his practice on insurance law, with a focus on Michigan No-Fault Insurance. Ron is a highly respected expert in the area of Michigan no-fault. He has assisted numerous clients in the drafting and modification of insurance policies, often in response to favorable new case law he successfully litigated. Ron’s passion for the law is undeniable. His unique ability to recall many important appellate decisions regarding no-fault issues and his ability to provide virtual instantaneous analysis makes our firm an invaluable partner in the defense of our clients’ no-fault claims. In addition to teaching Michigan No-Fault Law at Thomas J. Cooley Law School, Ron is a highly sought after speaker on Michigan insurance law topics.


Wayne State University

B.A. 1983

Wayne State University Law School

J.D. 1986


State Bar of Michigan

U.S. District Court for the Eastern District of Michigan

U.S. District Court for the Western District of Michigan

U.S. Court of Appeals for the Sixth Circuit

Supreme Court of the United States


Elizabeth L. Amaru

Contact Liz Amaru 

Elizabeth “Liz” is an associate principal with the firm.  She received her J.D. from the University of Toledo in 1995.  She holds a B.A. in History from the University of Michigan.  Prior to attending the University of Michigan, Liz was named to the Dean’s List at Smith College.  Liz has served as an instructor for a pre-trial skills class at Thomas M. Cooley Law School.  She is licensed to practice law in Michigan and New York.


University of Michigan
B.A. History 1992

Smith College
1978 – 1979

University of Toledo School of Law
J.D. 1995


State Bar of Michigan

New York State Bar Association (inactive status)


Oakland County Bar Association

Defense Research Institute

Michigan Defense Trial Counsel

Last Day Dog Rescue Board of Directors


Eric M. Eisenberg

Contact Eric M. Eisenberg

Eric Eisenberg specializes in the defense of first and third-party No-Fault cases. Eric is truly a renaissance man, as he has worked extensively in medicine and in the financial industry before putting these skills to work as an attorney. He obtained his law degree from the Michigan State College of Law in 2008; working full-time as a paralegal while obtaining his law degree at night. However, Eric began his career as a nurse working in critical care and in the Cardiac Catheterization laboratory. His first-hand medical knowledge has given him the edge in recognizing the fundamental issues supporting claims for damages and to obtain the discovery necessary to defend the claim. His ability to “talk the talk” with medical professionals has made him the resource person of choice for the deposition of physicians, nurses, therapists and chiropractors. Since obtaining his law degree he has specialized in the defense of closed head injury and complex injury cases. His extensive experience working with medical experts has led to his involvement with our clients’ specialty divisions; and he is often brought in as a consultant in these areas.

Eric obtained a MBA from Davenport University and has his series 7 and 63 securities licenses. As a broker for Morgan Stanley; he was licensed to sell various lines of insurance products. He is well versed in the business side of insurance and brings that understanding to the relationship with our clients. Eric serves as a pro bono peer monitor for the Lawyers and Judges Assistance program.


University of Miami

B.S. Biology 1988

Oakland Community College

ADN 1990Davenport University

M.B.A. 1998

Michigan State College of Law

J.D. 2008


State Bar of Michigan



Matthew S. Cohn

Contact Matthew S. Cohn


Tamera L. Muzichuk

 Contact Tamera Muzichuk


Kimberly A. Carmack

 Contact Kimberly A. Carmack

Since 1999, Kimberly Carmack has defended the interests of insurance companies and their insureds with respect to all aspects of No-Fault Automobile Litigation. Kimberly’s expertise includes the handling of claims under special investigation as well as catastrophic claims and claims administered through the Michigan Assigned Claims Plan. She has successfully tried No Fault and Auto Theft cases to jury verdict. Additionally, her accomplishments include a judgment in favor of her self-insured client in excess of $1.2 Million as reimbursement arising out of a No Fault priority dispute. Kimberly received her J.D. Cum Laude from the Michigan State University College of Law in 1999. While attending law school, she was an active member of the Moot Court Board where she received awards and earned a scholarship for participating in national Moot Court Competitions, including the Starr Insurance Law Competition at the University of Connecticut. She was formally inducted into the Order of Barristers in 1999. She received her B.A. degree from Michigan State University, James Madison College in 1996. She was admitted to the State Bar of Michigan in 1999 and the State Bar of Connecticut in 2000. Prior to joining the Law Offices of Ronald M. Sangster, Kimberly effectively litigated claims on behalf of multiple insurance carriers and their insureds in the areas of 1st party and 3rd party No‑Fault litigation and previously served as in-house counsel for a national Fortune 500 insurance carrier. She has authored multiple publications and has conducted presentations that have been instructive in the area of no-fault litigation. She is particularly passionate about fraud within the Michigan No-Fault realm, and enjoys working with her clients to aggressively investigate suspected fraudulent 1st party claims as well as provider fraud.


Michigan State University, James Madison College

B.A. International Relations 1996


State Bar of Michigan

State Bar of Connecticut (Inactive Status)

U.S. District Court for the Eastern District of Michigan


Macomb County Bar AssociationWoman Lawyer’s Association


Leo E. Januszewski

Contact Leo E. Januszewski


Richard J. Carolan

Contact Richard J. Carolan


Brandon L. Wykoff

Contact Brandon L. Wykoff


Frank Porretta

Mark S. Goldberg



Kelly A. Curry

Administrative Manager

Appellate Paralegal to Ronald M. Sangster Jr.

Contact Kelly A. Curry


Colleen Wellington


Contact Colleen Wellington


Ron’s Team:

Petra K. Siver

Paralegal to Ronald M. Sangster Jr.

Contact Petra K. Siver

Melissa M. Francis

Secretary to Ronald M. Sangster Jr.

Contact Melissa M. Francis


Liz’s Team:

Jennifer A. Ayas

Paralegal to Elizabeth L. Amaru

Contact Jennifer A. Ayas

Diane M. Woods

Secretary to Elizabeth L. Amaru

Contact Diane M. Woods


Eric’s Team:

Rebecca M. Dominguez

Paralegal to Eric M. Eisenberg

Contact Rebecca M. Dominguez

Nancy L. Cohen

Secretary to Eric M. Eisenberg

Contact Nancy L. Cohen


Matt’s Team:

Heidi J. Busam

Secretary to Matthew S. Cohn

Contact Heidi J. Busam


Tammy’s Team:

Michael K. Wagonlander

Paralegal to Tamera L. Muzichuk

Contact Michael K. Wagonlander

Caren R. Leslie

Secretary to Tamera L. Muzichuk

Contact Caren R. Leslie


Kim’s Team:



Leo’s Team:

Ashley K. Ortman

Secretary to Leo E. Januszewski

Contact Ashley K. Ortman


Ric’s Team:

Jennifer A. Ayas

Paralegal to Richard J. Carolan

Contact Jennifer A. Ayas

Colette C. Mcleod

Secretary to Richard J. Carolan

Contact Colette C. Mcleod