Find out who your legislator is: http://www.leg.state.or.us/findlegsltr/
If you have a strong story worth sharing, maybe it's best to meet in person! Remember, keep your message succinct.
Requesting a Meeting
Arrange a meeting in advance with the appointment secretary/scheduler.
Provide the names of attendees and the topic.
Make sure they know that you are a constituent.
Preparing for the Meeting