About Us If you have been in a serious accident that was caused by someone else's negligence, the Law Office of Gregory J. Grebe is ready to help. With 33 years of experience and demonstrated results. firm serves clients in Anchorage and throughout the Mat-Su Valley, Kenai Peninsula and Alaska's many bush villages. I have brought all types of negligence claims, with more victories than I can count, in cases involving auto and truck accidents, accidents caused by drunk drivers and other serious injuries.