Our Board

He is building on Cambia’s legacy of being a trusted health care company for more than 100 years, facilitating collaborative partnerships between providers and patients and strategically investing in like-minded companies through Echo Health Ventures to meet the needs of the 3.4 million people served through Cambia’s regional health plans in Idaho, Oregon, Utah and Washington.

Before becoming CEO in 2021, Short drove innovation and performance across the organization as president and chief operating officer. His career at Cambia began in 1999 when he joined the company in a finance role. He left briefly to join BlueCross BlueShield of Montana, where he served as chief marketing and underwriting officer. In 2009, Short returned to Cambia as president of its health plan in Oregon and has been in leadership at Cambia since.

Short is on the board of directors for the Boys & Girls Clubs of Portland Metropolitan Area. He also serves on the board of directors of America’s Health Insurance Plans (AHIP), Prime Therapeutics, Echo Health Ventures and Oregon Business Council. Short serves as chair of the board of directors for TriWest Healthcare Alliance and is on the board of the Blue Cross Blue Shield Association. He received his bachelor’s degree in economics and history from Willamette University.

Previously, Arrieta was an executive at DocuSign, where he served as global vice president, general manager, and chief of staff to the chief executive officer. He also co-founded New Story, a nonprofit that has built more than 2,000 homes in developing countries. In addition, he founded MAV Ventures, a venture capital firm that has invested in more than 100 companies. Arrieta joined the Cambia board in 2022.

Before joining Hanold Associates, Culpepper co-founded Have Her Back LLC, a woman-owned and woman-led culture consultancy focused on advancing equity for all. A veteran executive with more than 25 years of experience, Culpepper has held human resources leadership positions at global companies including Cboe Global Markets, Golin and PepsiCo. She currently serves on the board of directors for Prada S.p.A., making her the first Black woman on Prada’s board in the company’s history. Culpepper joined the Cambia board in 2023.

Her book, "Rebel Health: A Field Guide to the Patient-led Revolution in Medical Care", will be released by MIT Press in 2024. Fox served a term as chief technology officer for the U.S. Department of Health and Human Services, where she led an open data and innovation lab. She was entrepreneur-in-residence at the Robert Wood Johnson Foundation and was associate director of the Pew Research Center’s Internet Project, where she pioneered participatory research methods to explore how information technology and social media affect the health care industry and the consumer health care experience. Fox joined the Cambia board in 2017.

He served as executive vice president and chief financial officer for Nordstrom Inc., from 2001 to 2017. Before taking on senior leadership roles, Koppel held positions in several retail organizations, including May Department Stores, Timex Corp. and Coopers & Lybrand. Currently, he serves as a member of the board of Echo Health Ventures and the University of Connecticut Foundation. Koppel is a member of the advisory board for Immersion Networks. Koppel joined the Cambia board in 2009 and became board chair in 2017. 

Lindemann's last position was senior vice president of retail support services for Panera, LLC. Most of her career was spent at Starbucks Coffee Company where she held a variety of executive roles in North American Retail, International Operations and Store Development, and Starbucks Foodservice. She currently serves on the Board of Advisors for Marble & Granite and the Board of Directors of Mother Brook Arts & Community Center. Lindemann joined the Cambia Board of Directors in 2009.

She brings a unique perspective from diverse areas of the health care spectrum as an advocate for improved health in Idaho. Machen works with students from preschool through high school to educate them on dental health, the health care field and the importance of higher education. As time permits, Machen is a volunteer dentist with dental-assisting and dental-hygiene programs. She serves on the Regence BlueShield of Idaho board of directors and is a member of the Idaho Oral Health Alliance, the Idaho State Dental Association and the American Dental Association. Machen joined the Cambia board in 2019.

He began his career at Intel, rising to leadership roles in manufacturing, engineering and marketing. After Intel, Machuca worked in leadership at two technology companies, PB-NEC & eFusion. He went on to found and sell health care technology companies Kryptiq Corp and Enli Health Intelligence. He currently serves on the board of Echo Health Ventures, Umpqua Bank and Saphyre. Machuca joined the Cambia board in 2008.

Previously, he led companies in the medical device, biotech and provider space including as CEO of Avamere Health Services, a large Pacific Northwest senior healthcare services provider, and HemCon Medical Technologies Inc., as well as regional president for Baxter International. John took a hiatus from Cambia board service to join Cambia’s executive team, overseeing the growth and development of the company’s suite of consumer-focused health and wellness companies. John returned to the corporate world and to the Cambia board in 2012.

He oversees all the activities at AAA Oregon/Idaho, including emergency road service, travel services and insurance and financial services, and staying attuned to the needs of an evolving and sizable membership. A certified public accountant by training, he previously served as the chief financial officer for AAA Oregon/Idaho, Northwest Pump & Equipment and Portland Bottling Company. Morgan serves on the boards of the University of Portland and American Commerce Insurance Co. He is also a member of the SOLV Founders Circle. Morgan joined the Cambia board in 2017.

He previously drove economic growth as general partner at entrepreneurial catalyst Highway 12 Ventures. He began his career in technology with Hewlett Packard Co., where he was responsible for hardware, software and services businesses. Mulhern became a senior vice president at HP, leading the LaserJet Global Business Unit. Mulhern is on the board of trustees for the Idaho Technology Council and the board of directors of Regence BlueShield of Idaho. He has also served on the Idaho Governor’s Science and Technology Advisory Board and the Idaho Cybersecurity Task Force. Mulhern joined the Cambia board in 2018.

As CEO and president of Leatherman Tool Group Inc., Nichol navigated the company from a maturing product phase through a lean manufacturing transition and new product development acceleration process. Before that, Nichol served as president at Danaher Corp., manufacturer of Sears Craftsman tools, and president of Stanley Proto Tools and Stanley Works Asia Pacific. He currently serves on the board of directors at Wiha Tools GmbH, and Leupold & Stevens Corp. Nichol joined the Cambia board in 2014.

She has leadership experience across the academic, technology, finance, nonprofit and public policy sectors and previously served as the regional director of corporate, external and legal affairs for Southeast Asia at Microsoft. Tuminez is also on the boards of the Carnegie Corporation of New York, World Trade Center Utah and Silicon Slopes and is an advisory board member for Zions Bank. She formerly served on the boards of the Bank of Philippine Islands and Singapore American School and has been an advisor to the Asian Women’s Leadership University Project, the Global Economic Symposium and the ASEAN Institute on Disability and Public Policy. She joined the Cambia board in 2021.

His expertise is in finance and accounting with demonstrated results in profit and loss and cash flow management, external financial reporting and controls, contract negotiations and mergers and acquisitions. Before Ampere, Underwood held several finance leadership positions at Intel most recently as corporate vice president and chief financial officer for the Client Computing Group. Underwood joined the Cambia board in 2023.