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Our People


Jennifer Penman

Jennifer Penman received her law degree from Dalhousie University in 1996, and her Masters of Laws, Criminal from Osgoode Hall Law School in 2005....

Dirk Derstine

Dirk Derstine was called to the bar in 1993 and has dedicated his career to providing a strong defence to those charged with very...


Stephen White

Stephen White has practiced as a trial lawyer for over 25 years.  His passion for truth and his hatred of injustice make him a...

David Parry

David represents people on many types of charges including sexual assault, human trafficking, extradition, robbery, drug and gun offences, dangerous offender applications

Tania Bariteau

Tania Bariteau is an associate at Derstine Penman, where her practice focuses on criminal litigation at the trial and appellate levels. Since joining the...

Renee Gregor

Renée Gregor was born and raised in Northern Ontario. After obtaining her Honours degree at McMaster University, she went on to complete her Master’s...

David Gildiner

David Gildiner’s practice focuses on criminal litigation. He defends against all types of criminal charges in the Toronto region and beyond. David represents individual

Adam Philip Newman

Adam Philip Newman received a Bachelor’s of Arts degree with Honours in Philosophy from Queen’s University before completing his law degree at the University...

Jordyn Benatar

Jordyn Benatar is an associate at Derstine Penman, where her practice focuses on criminal litigation at the trial and appellate levels. She represents individuals...

Geoff Haskell

Geoff Haskell is an associate lawyer at Derstine Penman.  Geoff received his Juris Doctorate degree at the University of Ottawa in 2016 and was...

Keiisha Pillai

Keiisha Pillai first became interested in criminal law while living in Texas, where she worked with death penalty defence lawyers specializing in capital punishment...

Articling Students

Tamar Bitton
Articling Student

Tamar Bitton was a summer student at Derstine Penman Criminal Lawyers in 2017 and is thrilled to return to complete her articles. Tamar’s passion...

Allison Lee
Articling Student

Allison is currently an articling student at Derstine Penman.  She initially joined the firm as a summer student in 2016 while completing her law...