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Montgomery County ADA's



Peter M. Califano, Esq.

ADA Califano joined the District Attorney’s office in January 2017. The office’s only full-time Assistant District Attorney, he is tasked with prosecuting crimes against revenue (CARP) matters, such as welfare fraud, insurance fraud, and tax fraud. He also prosecutes all misdemeanors, violations, and traffic violations in the City of Amsterdam Court, excluding DWI/ DWAI offenses.

A lifelong Montgomery County resident, ADA Califano returned home after graduating from Syracuse University with a B.A. in Political Science in 2006, and Syracuse University College of Law in 2009. He was admitted to practice law in New York State in January 2010. Upon his admission, he entered private practice in Amsterdam where he specialized in criminal defense, insurance defense, and personal injury litigation. He previously served as Montgomery County Assistant Public Defender, joining that office in January 2015 after having represented indigent criminal defendants as a member of the County’s assigned counsel panel from 2010-2015.

Peter M. Califano, Esq.


Lorraine M. Diamond, Esq.

Assistant District Attorney
B.S. in Accounting/Business – Mount Saint Mary College
MBA Mount Saint Mary College
JD Pace Law

Former Positions:

  • Ernst and Young, LLP – Attorney
  • Bonicac, Krahulik and Associates – Attorney
  • Fulton County Department of Social Services Attorney
  • Bull, Morreale, Judelson and Diamond, PC – Partner
  • Law Offices of Lorraine C. Diamond, Esq.
  • Montgomery County Public Defender’s Office


Pamela A. Ladd

ADA Ladd has been a part time Assistant District Attorney in Montgomery County since September 1998. ADA Ladd currently covers the following Justice Courts: Canajoharie, Charleston, Florida, Mohawk, Root and St. Johnsville. ADA Ladd handles all misdemeanors, violations and traffic in the aforementioned courts with the exception of DWI/DWAI offenses.

ADA Ladd is a 1993 graduate of Russell Sage College with a degree in Criminal Justice. She is a 1996 graduate from Western New England Law School and was admitted to practice law in New York State in January 1997.



Christina Pearson, Esq.

Assistant District Attorney (DWI Prosecutor)
2000 Graduate of SUNY Potsdam
2004 Graduate of New England School of Law
Admitted to practice in Washington State in 2006
Admitted to practice in New York State in 2013

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