Tom Keenan – President

503-231-5035 Ext. 212


Mr. Keenan has over 40 years of experience in various management and entrepreneurial enterprises. His wide breadth of skills and knowledge have helped lead Portland Bottling to record revenues and production; Tom’s past endeavors include Founder and Managing Partner of Fastixx (computerized ticketing), President of NW Media and President of Everybody’s Records and Tapes.

As President of Portland Bottling since 2002, Tom provides the vision necessary for the continued success of the company. Most significantly, Tom led the company as they modernized the facility and moved to facilitate their new business model as a co-packer.

Tom has a BBA in Marketing from the University of Portland (UP) and was selected as a Pamplin School of Business Esteemed Significant Seventy-Five in honor of the 75th anniversary of the Business School. He has served on numerous Boards over the years and currently serves on the Boards of the Central Eastside Industrial Council and the Operations and Technical Management Executive Advisory Board at UP.

Dave Trestrail – Plant Manager

503-231-5035 Ext. 211


Dave Trestrail has extensive background in the food and beverage industry at both plant and headquarters levels. He joined the Portland Bottling team in early 2012 as the maintenance manager and was elevated to Plant Manager in early 2014.

Dave Trestrail’s responsibilities include coordination of plant activities, repair and installation of equipment, and process control enhancements. Some of the invaluable contributions he has made since joining the team include reducing maintenance spending by 50%, increasing production rates by 15-20% in various SKU’s, and implementing the use of SPC to drive maintenance decisions.

Dave has a Bachelor’s degree in Mechanical Engineering from Oregon State University.

Ian McGuinness – Director of Quality

503-231-5035 Ext. 220


With prior beverage manufacturing startup experience, Ian McGuinness was the perfect candidate to help facilitate the startup of co-packing for Portland Bottling Company in 2005. In 2007 he joined the Portland Bottling team as Director of Quality, which has been essential in maintaining the high level of standards that Portland Bottling has exemplified over the years.

As the Director of Quality, Ian is responsible for overseeing that batching, sanitation, and laboratory departments adhere to the stringent quality standards set forth by the company, customer, government, and external auditors.

Ian earned his degree in environmental science, biology, and chemistry from College of Santa Fe in New Mexico.

Mary Keenan – Quality Control Manager

503-231-5035 Ext. 219


Mary Keenan officially joined the Portland Bottling Company team in 2009 after working for the company during summers throughout her college career in various positions. As the Quality Control Manager, Mary ascertains that beverages produced meet customer specifications, formula requirements, and taste preferences.

In compliance with Food Safety Systems Certification 22000 (FSSC22000), she oversees that all departments properly document the production process, and that all employees are properly trained in manufacturing processes in accordance with Global Food Safety Initiative (GFSI) standards, and that everyone adheres to producing a safe and legal product.

Mary Keenan has a BS degree in Economics from the University of Hawaii.

Ken Becker – Procurement Manager

503-231-5035 Ext. 226


A veteran to the industry, Ken Becker has been in manufacturing for over 30 years. The last ten years include dedicated service to Portland Bottling Company. As Portland Bottling Company’s Procurement Manager, Ken controls the flow of raw materials, ensuring they are ordered and delivered on time in accordance with the production schedule.

He also maintains and grows the relationships with valued Portland Bottling customers. Some notable initiatives Ken is responsible for include the increased value for recycling material and the start-up of a plant wide recycling program.

Stephen Weinstein – Warehouse Manager

503-231-5035 Ext. 208


Although Stephen Weinstein is relatively new to Portland Bottling Company, he is no stranger to the Food and Beverage Industry. He has over 30 years of various management experiences for companies such as Reser’s Fine Foods, PepsiCo Food Systems, Multi-Foods, and DPI Specialty Foods.

As Portland Bottling Company’s Warehouse Manager Stephen works closely with production to ensure that raw materials are ready in time for production needs. He also manages operations in the warehouse and aides in the management of customer’s on-hand inventory. Stephen has a degree in Business Management from the University of Oregon.


Helena Chapman – Accounting Manager

503-231-5035 Ext. 209


Helena has been part of the Portland Bottling Company team for 8 years, all of which have been in the accounting and HR departments due to her passion for numbers and people. Although she has worked in many industries, working for NMHG Inc.’s accounting department gave her 10 years of hands on experience that she utilizes on a daily basis.

As Portland Bottling Company’s Accounting Manager, Helena ensures accuracy in all functions related to accounting, accounts receivable and payable, and payroll.


Terry Michaelson – CEO

Former CEO of Craft Brewer’s Alliance (CBA). During his 20 years of leadership, what began as the locally known Widmer Brewing grew into the publicly traded CBA that manufactured and sold nationally known brands such as Widmer, Redhook and Kona. Selected and managed the transition of his successor. Experienced in growing businesses and developing creative business partnerships.



Eli Tessler – Production Supervisor

Eli has over 15 years experience in the food manufacturing and co-packing industry. Eli joined our team in 2008. He began his career with Portland Bottling as a basic machine operator on our production line and has worked his way up to his current position as Production Supervisor. Eli’s has experience in all areas of our operation from inventory control, batching, quality control and production. One of the many leadership strengths Eli possess’ is his ability to share is high level of institutional knowledge with his peers.


Andy Maletis –  Director of Business Development

Andy is relatively new to the Portland Bottling Team. Before transitioning into his role as head of business development, Andy worked and trained in all departments of the company to develop an in depth understanding of the day to day operations. Prior to Portland Bottling, Andy worked 5 years in the automotive business as the finance manager at one of the largest Toyota dealerships in the Northwest. The skills he developed there translate well to his new role as he is asked to come up with creative solutions that are in the best interests of both our customers and the business. Andy earned a BS in Economics with a Business minor from the University of Oregon. Go Ducks!



John Hintzke – Operations Manager

John has been with Portland Bottling since 2015. John has over 25 year’s experience in production and manufacturing. Prior to joining our team John was the production supervisor at Pacific Foods. John previously worked in the microelectronic industry preforming management and process development of machining technical ceramics. John has earned two degrees through ITT Technical Institute – an AAS in electronic engineering technology and BAS in automated manufacturing technology. John has also, more recently, earned a certificate in Acidified Foods and Better Process Control through Oregon State’s Food and Drug Administration supervisor program.



Darryl Hoffinger – Continuous Improvement Manager

Darryl has over 21 years of experience in the beverage productions industry. He has a deep background in all aspects of quality control. At his previous employer, he was the Packaging Manager where he played an integral role in expanding their operation at an exponential rate through maximizing efficiencies of the packaging machinery and personnel. Darryl’s history makes him a perfect fit for his role as Continuous Improvement Manager. Darryl has already made an impact by helping PBC establish processes to increase efficiency, maximize equipment uptime, increase output, provide vendor quality feedback and promote cross department functionality. Darryl earned is BS in Biology and Psychology with a minor in Chemistry from The University of Oregon. Go Ducks!


Kyle Dean – CFO

Former CFO of the regional restaurant chain, Burgerville, Kyle was part of the team that transitioned the ownership of the company from family to management owned, and led the changes necessary to scale its accounting, technology, restaurant construction, marketing, supply chain and menu development processes. Experience creating developing and building scalable systems in restaurants, manufacturing, service and hospitality.