Call: (503) 635-4477
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Our Team

Christopher Hermanski

President | Master Property Manager

“The property manager‘s role has a personal dimension far and above the typical capital investment. It is a source of personal pride for both the owner and the tenant. At Mainlander, I am conscious of the responsibility we assume with every property we manage.”

Chris Hermanski, President and Owner of Mainlander, has been managing residential and commercial properties in and around Portland since coming to town in 1981. Chris was born and raised in Southern California and has a degree in Business Management from Brigham Young University.

As both an owner/investor and fee manager, Chris has held the Master Property Manager designation since 1997. He also holds an Oregon Brokers License, and is a founding member of the local chapter of the National Association of Residential Property Managers (NARPM) and served as its president in 1997 and again from 2005 to 2008. In addition to his local leadership, Chris was National President of NARPM in 2003 and served on the national board from 1998 to 2004. Chris is also a nationally qualified and recognized speaker for the association and teaches various property management topics.

Chris and his wife Kathleen have two sons, two daughters, and a yellow lab.

Bette Durham

Broker | Operations Manager

“Always do right. This will gratify some people and astonish the rest.”

- Mark Twain

Bette was born and raised in Washington DC. Bette attended the University of Maryland and met her husband while living in the D.C area. Employment changes have given Bette and her family opportunities to live in San Diego, CA, Northern Virginia and Atlanta, GA. While living in Virginia, Bette received her Real Estate license and sold homes for 4 years. The family later moved to Atlanta, Georgia, where Bette continued to sell homes. New opportunities brought the family to Portland, OR. Bette began her Property Management career at Mainlander Property Management. She started as a Leasing Agent, showing homes. Advancement in a career of property management was welcomed by Bette. Three years later Bette became the Broker. As the Principal Broker/ Operations Manager, Her responsibilities include overseeing the staff of Property Managers, Assistant Managers and Leasing Agents as well as insuring the daily functions and office procedures run smoothly. As a broker, she is qualified and trained to supervise licensees. Bette often talks and meets with new owners, which she believes is best part of her job.

Bette and her husband of almost 30 years reside in Lake Oswego, OR with their chocolate lab and golden retriever. Bette spends her time away from work gardening, cooking, and walking their dogs. The Pacific Northwest has provided Bette with wonderful experiences for both her career and her spirit.

Alverna Sprecher

Client Accountant

“Do unto others as you wish others do unto you.”

- The Bible

Alverna is a transplanted Hawaiian. However, having lived here in Oregon for 45 years makes her an “almost native” Oregonian. The cooler climate better suits her.

Alverna has 2 grown children, 2 grandchildren and Maxine. Maxine is 12 years old and also works here at Mainlander. Her job description includes greeting and screening prospective clients, cleaning children‘s faces and chasing sunbeams. Maxine is Mainlander‘s resident pug.

Alverna has been with Mainlander for 26 years as their client accountant. During her tenure, she has witnessed the amazing changes and growth of the company.

Viktoria Farkas

Accounting Assistant

“Do not dwell in the past; do not dream of the future - concentrate the mind on the present moment.”


Viktoria moved to the US from Hungary straight to Portland with her husband and daughter in 2013. While working for an international employment agency, she found accounting as the most suitable profession for her. She finished her studies in Accounting in Oregon at Clackamas Community College.

She joined Mainlander in November 2015 and since then she keeps learning every day- not only about property management, but also how to appreciate the patience and teachings from her team members.

When not working, she enjoys hiking, running and spending time with her 5-year-old daughter and 2year-old son – they keep her busy!

Jules Moorhouse

Human Resources Manager

“When you show deep empathy towards others, their defensive energy goes down, and positive energy replaces it. That’s when you can get more creative in solving problems.“

-Stephen Covey

Jules was born in Boulder, CO, but considers Portland home after living in the Pacific NW since she was seven. Jules has a degree in theatre as well as a bachelor’s degree in Business Management from Marylhurst University. Jules has worked in Human Resources for over ten years in both large corporations and small businesses. The smaller family business atmosphere that she finds at Mainlander is the right fit for her. When she is not wearing her HR hat, Jules directs theatre and runs drama programs for Portland Public Schools. Jules is the Vice President of the Wilson Area Arts Council and can be found giving speeches in Oregon schools about the importance of the arts in education. In her spare time, Jules enjoys hiking, camping, soccer, basketball, and football with her three active children.

Sarah Jensen

Broker | Administrative Manager

Sarah was born and raised in the Portland area. She then attended college at the University of Utah where she received a Bachelor's Degree in Communications with a minor in Leadership. Sarah is a licensed Broker and oversees the administrative side of Mainlander. She enjoys working with people and never knowing what each day will bring. In her spare time she enjoys spending time with her family, riding horses, and traveling.

Andrea Kramer

Property Manager - Team A

“Life is 10% what happens to you and 90% how you react to it”

–Charles R. Swindoll

Andrea grew up on the San Francisco Peninsula and has recently moved to the Portland area with her husband and two kids. Her background before joining Mainlander includes working in Real Estate and Mortgage and her own skincare business. She enjoys reading, traveling, camping, and spending time with family and friends.

Alison Colhouer

Assistant Property Manager - Team A

"We are all faced with a series of great opportunity brilliantly disguised as impossible situations."

–Charles R. Swindoll

Alison was born and raised in Portland, OR. She attended Portland State University where she studied Early Childhood Education and Psychology. Before she came to Mainlander, Alison was an executive administrator for cooperative based businesses in agriculture. Outside the office Alison loves to spend time with family and get outside for biking, camping, hiking, and swimming.

Lynn Sweazy

Property Manager - Team B

Jason Payne

Assistant Property Manager - Team B

Sue Shimada

Property Manager - Team C

“You must be the change you wish to see in the world.”

- Mahatma Gandhi

Sue grew up in Klamath Falls, Oregon, attended Oregon Institute of Technology and Willamette University then transferred to International Christian University in Tokyo, Japan. She lived in Japan for four years in the early 1980s. Returning to Portland in 1984, Sue went to work for a small developer who managed the properties he was unable to sell. After about two years as an assistant property manager, she purchased the company and grew it to about 500 doors. In 1996 Sue sold her business to Mainlander and came to work here part-time on a temporary basis to help with the transition. Twenty years later, it is obvious that the Sue enjoys the variety of the property management business, and just can‘t leave because there is never a dull moment!

She is very happily married to her college sweetheart for nearly 30 years. They raised two sons in Portland. Away from the office, she enjoys camping, body boarding and watching sports. GO RIP CITY! Sue volunteers with a local inner city track club and various political action groups.

Allexa Kelly

Assistant Property Manager - Team C

JJay Jensen

Property Manager - Team D & E

JJay was born and raised in Salt Lake City, Utah. He previously lived in the Portland area between 2007 and 2009 before heading off to college. He received a Bachelor's Degree in Economics with a minor in Design at the University of Utah before returning to Portland in 2014 and beginning work at Mainlander. Away from work, JJay enjoys playing with new technology, and skiing.

Tiffany Nusser

Assistant Property Manager - Team D

Kristine Cerri

Assistant Property Manager - Team E

“ Self-confidence is the best outfit, rock it and own it.”

Kristine was born and raised in Portland, OR. She graduated from Oregon State University in 2013 before signing on with Mainlander. In college, she was very involved with Alpha Chi Omega, her sorority and continues her involvement through the alumni association. She also enjoys, cooking, traveling, and spending time with her family.

Mark Goff

Maintenance Technician

“Let me help you.”

I'm a grandfather who is on his third career; all of them related to helping people. Basically that's what I do for Mainlander is help owners and tenants with everything from clogged drains to wasp nests. I look forward to helping you.

Chris Moxon

Property Assessment Specialist

“It is impossible to live without failing at something."


3927 Lake Grove Avenue
Lake Oswego, OR 97035

Mailing Address:
P.O. Box 2028
Lake Oswego, OR 97035

Tel: (503) 635-4477
Fax: (503) 635-6508

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Mainlander Property Management Inc, Property Management, Lake Oswego, OR