Duncan MacNaughton
Chairman Phone: 808-545-7722

Duncan MacNaughton began his real estate development career in 1967 at age 23, when he joined the Dillingham Corporation's property development department. He worked on several residential condominium projects, as well as the management of Ala Moana Shopping Center and several smaller retail centers on Oahu. Later at the McCormack Corporation, he was responsible for residential developments on Oahu and the neighbor islands.


In 1975, he and Richard W. Gushman II formed their own real estate firm. For the next ten years, they worked on a variety of real estate and investment projects, including the development of the Waikele Center, a premiere retail destination with 725,000 square feet of gross leasable area.


The Hawaii Chapter of the International Council of Shopping Centers honored Duncan as the "Shopping Center Developer of the Year" in 1993; additional honors followed, including recognition of the Waikele Center as “Deal of the Year” from the Financial Executives International, Hawaii Chapter. In 2002, the Hawaii Chapter of the National Association of Industrial and Office Properties presented him with the Kukulu Hale Lifetime Achievement Award.

A pioneer in the development of luxury condominiums and community retail centers, Duncan brings decades of experience and integrity to each project.


Duncan has led the development of community retail centers Kapolei Commons and Kona Commons. His innovative developments have extended to premiere luxury condominiums as well with Hokua, Capitol Place, ONE Ala Moana, and Park Lane Ala Moana.


His family ties to Hawaii were established in 1938 when his father, Boyd MacNaughton, became vice president of Dole Pineapple. By 1956, Boyd was president of C. Brewer and Company, one of Hawaii's premier sugar companies.


Duncan attended Punahou School, Hawaii Preparatory Academy, and Colorado College. In addition to numerous philanthropic efforts in the community, he serves on the Board of Directors of several for-profit companies, and volunteers on the Board of Trustees of Hawaii Preparatory Academy, Punahou School, and The Nature Conservancy of Hawaii. An avid sportsman, his favorite recreational pursuits include golf, bicycling, and skiing.

Ian MacNaughton
Partner Phone: 808-545-7722

Ian MacNaughton joined The MacNaughton Group in 2006, and currently is a Partner of the firm. In this capacity, he oversees the firm’s development, financing, and investment activities, as well as the strategic direction of the company. In addition, Ian is the Managing Partner and Co-Founder of BlackSand Capital, a Hawaii-based real estate private equity firm that was founded in 2010.


Prior to his positions with The MacNaughton Group and BlackSand Capital, Ian worked in the Acquisitions Group of Starwood Capital Group, the Investment Management Division of Goldman Sachs & Co., and the Investment Banking Division is UBS AG.


In other areas of business, formerly Ian was a principal shareholder and director of the parent of Zephyr Insurance Company, a Hawaii-based property and casualty enterprise, and Chairman of the Twin Farms Collection LLC, a luxury hospitality property in Vermont.

Ian oversees the investment, financing, and development of TMG’s current projects and the company’s strategic direction.


Born in Honolulu, Hawaii, Ian received a Bachelor of Arts degree from the University of California, Los Angeles. His active professional memberships include the Urban Land Institute (ULI), the International Council of Shopping Centers (ICSC), the National Association of Industrial and Office Properties (NAIOP), Fisher Center for Real Estate & Urban Economics Policy Advisory Board, Hawaii Business Roundtable (HBR), and Young Presidents’ Organization (YPO). He also serves on the Board of Directors of the GIFT Foundation of Hawaii, and the American Red Cross of Hawaii.

Jeff Arce
Partner Phone: 808-545-7722

Following a nine-year career in public accounting and consulting, Jeff Arce joined The MacNaughton Group in 1989. Since then he has worked in all facets of the company, assuming responsibility for financing as well as purchasing and sales transactions related to real estate activities and select retail operations. He also served on an advisory management committee for the Jamba Juice, PF Chang’s, and Price Busters operations.


Previously, Jeff worked with the international accounting firm of Arthur Andersen & Co. in Los Angeles. He relocated to the Honolulu office in 1982 to assist with its initial development, and eventually became Audit Manager and Director of Recruiting for Hawaii.


He received a degree in Economics-Accounting from Claremont McKenna College, and belongs to several professional organizations such as National Association of Industrial and Office Properties, Urban Land Institute, International Council of Shopping Centers, and is a past president of Financial Executives International - Hawaii Chapter.

Since he joined TMG in 1989, Jeff has presided over many of the firm’s major investments.


His commitment to philanthropic community organizations includes serving as a board member for Teach for America – Hawaii, Child and Family Service Real Property, the GIFT Foundation of Hawaii, which he helped found in 2002, and Kapiolani Health Foundation where he serves as the Foundation’s Chair.


Although originally from Southern California, Jeff’s extensive ties to the Islands began with his grandfather, who was born and raised in Hawaii. When he’s not savoring time with his wife and three daughters, he plays golf and tennis whenever possible.

Eric Tema
Partner Phone: 808-545-7722

Eric Tema’s responsibilities at The MacNaughton Group involve conceptualizing the creative elements of each new retail development. As a commercial real estate broker, Eric has helped direct the Hawaii entry, expansion, and real estate strategy of retailers such as Starbucks Coffee, Jamba Juice, PF Chang’s, Pier 1, OfficeMax, and Whole Foods.


Eric joined TMG in 1993 after three years with CB Commercial Hawaii, where he assisted with numerous retail projects and piloted the leasing for Waikele Center, a 725,000 square-foot Power and Outlet shopping mall in Central Oahu. With all of TMG’s commercial ventures, he assesses the viability, works intimately with architects and designers, drives the anchor leasing, and manages tenant and residential relationships. Examples of such enterprises include Kukui Grove Marketplace on Kauai, Maui Marketplace, Kona Commons on the Big Island, Stadium Marketplace and Kapolei Commons on Oahu, Hokua residential and commercial, and the redevelopment of Kailua Village Shops, a community-based food and specialty retail center that received “Project of the Year” honors from NAIOP’s Hawaii Chapter.

Eric has directed the entry, expansion, and real estate strategy of retailers in Hawaii such as Starbucks Coffee, Jamba Juice, and Whole Foods.


Raised in Hawaii, Eric graduated from Punahou School and received his B.A. in Economics from the University of Colorado Boulder. An avid surfer and waterman who has completed 13 Molokai to Oahu outrigger canoe paddling world championship races, Eric also enjoys dirt biking, stand-up paddling, golfing, and spending time with his children. He serves on the Board of Assets School, an institution for gifted and dyslexic children.

Emily Reber Porter
Executive VP, Operations and Strategy Phone: 808-545-7722

Emily Reber Porter joined The MacNaughton Group after 15 years of legal and business experience as a judicial clerk in the United States District Court for the District of Hawaii, a litigator at the Goodsill Anderson Quinn & Stifel law firm in Hawaii and at Covington & Burling LLP in Washington, D.C., and General Counsel, Chief Administrative Officer and Vice President of Customer and Professional Operations at JustAnswer LLC, an innovative, high-growth Internet company that aims to democratize access to professional services.


In 2015, Emily joined The MacNaughton Group to help drive a wide variety of operational and strategic initiatives, including strategic planning and other organizational development work.

Emily oversees key operational and strategic initiatives.


Emily grew up in Hawai’i and graduated from Punahou School. She attended Princeton University and Harvard Law School. Prior to attending law school, Emily completed a Fulbright fellowship in Osaka, Japan. Passionate about helping those in need, she serves on the board of directors for the Hawaii Women's Legal Foundation and has previously served on the board of Hawaii’s Domestic Violence Action Center, on the litigation committee of the Hawaii Chapter of the American Civil Liberties Union, and as guardian ad litem with the Legal Aid Society of Hawai’i. Her professional memberships include Urban Land Institute, National Association of Industrial and Office Properties, and the Women’s General Counsel Network. Emily enjoys the ocean, hula and yoga and spending time with her husband, two sons, extended family and friends.

Jeff Dinsmore
Executive VP, Development and Asset Management Phone: 808-545-7722

Jeff Dinsmore is responsible for the development and asset management of The MacNaughton Group’s retail portfolio – including Kapolei Commons and Kona Commons. He oversees projects from the design phase through permitting and construction, to the final stages of leasing and tenant openings. He also serves as consultant on third party projects such as the Hyatt Waikiki renovation and the new NICU/PICU facility for Kapi’olani Medical Center for Women and Children.


His involvement in real estate development in Hawaii since 1985 has included serving as Vice President and Chief Financial Officer for Victoria Ward Limited, where he financed and developed 400,000 square feet of new and reconditioned retail properties. He facilitated the $265 million sale to General Growth Properties (GGP) in 2002, after which he became GGP’s Hawaii Division Vice President of Development. He also spearheaded the development of the Nordstrom Ala Moana Shopping Center expansion before joining The MacNaughton Group in 2006.

Jeff oversees projects from initial designs to the final phases of leasing and tenant openings.


Jeff received a degree in Business Administration from University of the Pacific in California. Traveling, swimming, running, and biking represent a few of his recreational pursuits, several of which he shares with his son. In the community, he serves on the boards of The GIFT Foundation, the Outrigger Canoe Club, and KCAA Pre Schools of Hawaii. His professional memberships include the Urban Land Institute and the International Council of Shopping Centers.

Josh Stinson
Vice President, Development and Construction Phone: 808-545-7722

Josh Stinson joined The MacNaughton Group as the Vice President of Development and Construction in the summer of 2015 with 19 years of experience working in a broad spectrum of commercial construction, including hospitality and resort, retail, and office buildings. His responsibilities involve executing the company’s development projects from early conceptual design and entitlement processing through preconstruction, logistics planning and scheduling, budgeting, and management of active building sites – including Park Lane Ala Moana.


During his 10 years with Nordic PCL Construction, first as the Special Projects Division Manager and then the Operations Manager, Josh was instrumental in finalizing $370 million of work in place at NPCL while also managing over 100 salaried staff of construction and project managers, superintendents, and engineers. During his tenure, Josh was named to the 2013 Engineering News Record 20-Under-40 list for the California/Hawaii region. Before joining NPCL, he spent nine years with Kiewit Construction in Hawaii and in the Denver, Seattle, and Portland markets.

Josh executes the company’s development projects from early conceptual design and entitlement processing through management of active building sites.


A native of Oregon, Josh received his Bachelor of Science degree at Oregon State University in Corvallis. He is an active member in community organizations, serving on the Easter Seals Hawaii Board and the Aloha United Way Society of Young Leaders. His professional affiliations include Design Build Institute of America and Construction Management Association of America and the National Association of Industrial and Office Properties (NAIOP). During his free time, he likes to run, hike with his wife, ride his Harley motorcycle, swim with his young son, and cook.

Todd Hedrick
Vice President, Leasing and Property Management Phone: 808-203-2210

Since joining The MacNaughton Group in 2004, Todd Hedrick has focused on leasing new projects under development as well as existing centers. With over 25 years of experience in leasing and shopping center management throughout Hawaii, he possesses in-depth knowledge of the market and a unique skill set that allows him to understand landlord and tenant requirements, maximizing value for both. Projects in his current portfolio range from 30,000 to 600,000 square-feet, encompassing a wide array of inventory and product types on multiple islands, for instance: Kona Commons, Pearlridge Uptown, Kapolei Commons, and Moanalua Shopping Center.


Previously, Todd worked with Colliers Monroe Friedlander, where he founded the Shopping Center Division. He oversaw the leasing and management of Power, Resort, Neighborhood, and Regional Centers totaling more than 1.5 million square-feet of GLA for local and institutional owners. Prior to his work with Colliers, Todd was the General Manager of Aloha Tower Marketplace. While directing this 160,000 square-foot Festival Marketplace, he steadily reduced Common Area Maintenance expenses and increased the occupancy from 68 percent to 95 percent over a four-year period.

Todd's unique skill set allows him to understand landlord and tenant requirements, maximizing value for both.


Todd holds a Real Estate Broker’s license in the State of Hawaii, and is a Senior Shopping Center Manager and Senior Leasing Specialist certified by the International Council of Shopping Centers (ICSC). He graduated from Hawaii Pacific University with a degree in Entrepreneurial Studies and retired from the U.S. Navy as a Deep Sea Diver after 20 years of Active and Reserve Duty. In addition to his professional memberships with ICSC, he dedicates resources to several community organizations including the Kapolei Commons Chamber of Commerce. Parenting, surfing, and yoga occupy much of his free time, as does pursuing his passion for competing in bodysurfing events.

Brett MacNaughton
Director, Development and Design Phone: 808-545-7722

Brett MacNaughton directs the design and facilitates the development of The MacNaughton Group’s residential, retail and hospitality projects, working closely with architects, contractors, interior designers and tenants from the concept and design phases throughout permitting, construction, and openings. Among his projects has been the design of the Regal Kapolei Commons 12 Theater, an upscale theater with a double-height lobby with pendant lights that model the northern skies above the Hawaiian Islands. He has also provided design direction for Park Lane Ala Moana, the ultra-luxury condominiums that had him traveling around the world to source the finest-quality building materials and finishes.


Previously, Brett worked as a Construction Assistant at Craig Realty Group in Newport Beach, where he helped administer the development of the Outlets at Traverse Mountain. He joined TMG in January 2013.

Brett directs design and facilitates the development of all of the company’s residential, retail and hospitality projects, working closely with architects, contractors, interior designers and tenants.


Brett earned a degree in Finance from the University of Colorado Bolder and a Master’s in Urban Planning from the University of Southern California. He also obtained an Associate of Arts degree in interior design while working on a Las Vegas hotel project for Wilson Associates. Outside the office, he enjoys golf, tennis, stand-up paddle boarding, swimming and hiking. His professional memberships include the American Planning Association and the International Council of Shopping Centers.

Nancy Infante
Controller Phone: 808-545-7722

In her capacity as Controller, Nancy Infante oversees the financial aspects of The MacNaughton Group. These include the generation of financial statements and tax returns for more than 50 entities, as well as loan compliance and short- and long-term financial planning.


Prior to joining TMG in 1994, Nancy worked for Arthur Andersen’s audit department, where she audited companies such as Castle and Cooke, Inc., The Gentry Companies, and BHP Petroleum.

Nancy oversees the finance and accounting functions at TMG, generating financial statements and tax returns for more than 50 entities, and leading short- and long-term financial planning.


In her spare time, Nancy volunteers at her church and serves on the Women’s Ministry Team. She was raised in Honolulu, graduated from Kalani High School, and received her BA in Accounting from the University of Hawaii.

Russell K. Kaupu
General Counsel Phone: 808-545-7722

Russell Kaupu serves as General Counsel, acting as a legal advisor on all real estate development projects and operations. From 1992 until he joined The MacNaughton Group in 2006, he worked as an associate and then partner at Goodsill Anderson Quinn & Stifel, a law firm in Honolulu where he specialized in corporate and securities matters, mergers and acquisitions, and technology, sports, and entertainment ventures.


Of part Native Hawaiian descent, Russell attended The Kamehameha Schools in Honolulu, and earned his B.A., J.D., and M.B.A. degrees from Willamette University in Salem, Oregon. His professional and civic pursuits encompass a variety of his interests. He is a member of the Hawaii State Bar Association and a Certified Contract Advisor for the NFL Players’ Association and CFL Players’ Association.

Russell provides legal advice on all real estate development projects and operations.


In addition, he currently serves as the Chair of the Board of Trustees of the Hawaii Conference Foundation (support organization for the Hawaii Conference, United Church of Christ), is a Director and President of the nonprofit organization Breakthroughs for Youth at Risk, and is a Director of the Kalihi-Palama Health Center, which provides full-service health care to underserved populations, particularly those suffering from homelessness.


When Russell isn’t busy with his four children, he remains active in the Hawaiian community and his local church, coaches high school football, and enjoys working out and traveling with his family.

Justin MacKenzie
Senior Leasing Associate Phone: 808-545-7722

Justin MacKenzie is primarily responsible for the leasing of approximately 1M square feet of company and third-party owned projects including Kona Commons, Pearlridge Uptown II, Kapolei Commons, and Moanalua Shopping Center. In addition to these properties Justin serves as the Hawaii leasing agent for multiple national branded retailers. Justin also manages the company’s information technology and delivers on various marketing and market related analytics.


Prior to joining TMG in 2007, Justin worked for Starbucks Corporation and Jamba Juice Hawaii as the Area Manager of Asset Protection and Compliance overseeing 100 retail locations.

Justin manages deal flow and leasing for company-owned projects and also provides tenant representation.


He is a member of the International Council of Shopping Center. Outside of the office, Justin supports the local community by serving as a Director on his Homeowners Association Board and enjoys hiking, photography and competing in triathlons.


Justin holds a degree in Finance from the University of Connecticut, and is a licensed real estate agent in Hawaii.