Office
When Menlo Group was founded, we primarily worked with office owners, users and investors across the Phoenix Valley. Our years of experience, market knowledge and commitment to our clients make us one of the most trusted area-brokerages when it comes to office space.
OUR OFFICE ADVISORS

SENIOR VICE PRESIDENT, SIOR, CCIM, OFFICE, MEDICAL/DENTAL OFFICE
STEVE BERGHOFF
Steve Berghoff, SIOR, CCIM, is a seasoned commercial real estate broker specializing in the leasing, sale, and acquisition of medical and office properties throughout Metropolitan Phoenix.
Steve delivers exceptional value to his clients by leveraging his industry expertise and strategic insights to help landlords maximize property performance and tenants secure ideal spaces. His commitment to excellence and deep market knowledge make him a trusted partner in achieving successful real estate outcomes.
A graduate of Creighton University in Omaha, Nebraska, Steve holds a Bachelor of Science in Business Administration. Over the past 19 years, he has built a strong reputation as a trusted advisor in commercial real estate, earning the prestigious CCIM and SIOR designations—hallmarks of excellence in the field.
Outside of work, Steve enjoys playing golf, cheering on Nebraska football and Creighton basketball, exploring new restaurants, and spending quality time with his wife and daughter. He is also a proud graduate of the FBI Phoenix Citizens Academy and the Scottsdale Police Department Citizens Academy, reflecting his commitment to community involvement.
Scan the QR code with your device to download Steve’s vCard.
Steve Berghoff, SIOR | CCIM
Senior Vice President
Medical Office | Office

DESIGNATED BROKER, SIOR, CCIM, PROFESSIONAL/MEDICAL OFFICE, CHILD CARE, INVESTMENT
GRAFTON MILNE
Grafton Milne, SIOR, CCIM, is Co-Founder and Designated Broker of Menlo Group Commercial Real Estate. He helps oversee the company’s sales, recruiting, training and expansion efforts. Throughout his career, Grafton has closed hundreds of sale and lease transactions of office, medical office, investment and special use properties.
Grafton is also among the Valley’s top advisors for child care properties, including charter schools, private schools and preschools. He has exclusive relationships with the Arizona Early Childhood Education Association and Candelen (formerly known as the Association for Supportive Child Care). He acts as a sponsor for the organizations’ events and a business advisor for their members.
To further help child care owners, Grafton compiled knowledge gained throughout his career as a child care real estate advisor into his book “Childcare Center Success: How to Maximize Profits and Minimize Mistakes.” The book outlines tips for starting and running a successful child care center and is available on Amazon.
Grafton is one of only a few professionals in Arizona to earn both the Certified Commercial Investment Member (CCIM) and the Society of Industrial and Office REALTORS (SIOR) designations, signifying that he is among the top of his field. He earned a degree in Marketing and a minor in Business from Brigham Young University in Provo, Utah. Grafton is an active member of his church congregation and community. He is married with four beautiful children, and in his free time, he enjoys traveling, competing in Ironman Triathlons and working on his next book.
Scan the QR code with your device to download Grafton’s vCard.
Grafton Milne, SIOR | CCIM
Designated Broker
Office | Child Care

EXECUTIVE VICE PRESIDENT, SIOR, CCIM, OFFICE, MEDICAL/DENTAL OFFICE
STUART MILNE
Stuart Milne, SIOR, CCIM, specializes in representing landlords, sellers and investors in the disposition of professional and medical office spaces across the Valley. He joined Menlo Group in January 2009 and has earned a great reputation among his clients. A native Arizonan, Stuart has enjoyed watching the area grow and has a broad knowledge of the market to help his clients reach their real estate objectives.
Stuart has acquired the internationally recognized Certified Commercial Investment Membership (CCIM) and Society of Industrial and Office Realtors (SIOR) designations, signifying that he is an expert in his field. He has closed hundreds of deals totaling more than $100 million in total considerations and more than 1 million sq. ft. throughout his career.
Stuart is a graduate of Northern Arizona University, where he earned a Bachelor’s Degree in Interdisciplinary Studies with an emphasis in Business Management. When he’s not in the office, Stuart loves spending time with his wife and four children. He is also passionate about staying active and has completed multiple triathlons and marathons. He enjoys being outdoors and participating in numerous sports. Stuart is active in his church and community and is always looking for an opportunity to serve others around him.
Scan the QR code with your device to download Stuart’s vCard.
Stuart Milne, SIOR | CCIM
Executive Vice President
Medical Office | Office

PRESIDENT, MBA, SIOR, CCIM, OFFICE, MEDICAL, DENTAL, INDUSTRIAL, INVESTMENT
TANNER MILNE
Tanner Milne, MBA, SIOR, CCIM, has been involved in commercial real estate development, brokerage, and property management since 2003. Over the course of his career, he has worked on transactions of all sizes, from helping thousands of small business owners to handling lease up for large REITs. This wide-ranging experience gives clients a clear advantage by providing insight into the full lifecycle of buying, selling, leasing, developing, and managing commercial real estate.
In 2008, Tanner founded Menlo Group Commercial Real Estate with the vision of finding a better way—offering exceptional service and leveraging best-in-class technology to deliver superior results. He began by establishing himself as a market leader in the East Valley’s dental, medical, and professional office condo sectors, helping many of the Valley’s top doctors, dentists, and entrepreneurs find ideal spaces and negotiate favorable deals.
Over time, Tanner’s focus has expanded to building repeatable systems and scalable processes that have allowed Menlo to recruit top talent and become a respected, values-driven firm throughout the Arizona marketplace.
Tanner earned a bachelor’s degree from Brigham Young University and an MBA from Arizona State University. He holds the Certified Commercial Investment Member (CCIM) and Society of Industrial and Office REALTORS (SIOR) designations—credentials reserved for a select group of commercial real estate professionals recognized for their expertise and performance.
A passionate learner, Tanner reads more than 50 books per year. Ask him his current favorites, as they are always changing. He is married with five wonderful children, and enjoys good food, traveling to Brazil, and spending time at the beach.
In recent years, Tanner has also found deep fulfillment through his work with the Academy for Creating Enterprise, teaching individuals in developing countries how to start income-generating activities that lift families out of poverty and help shape brighter futures.
Tanner has kept a blog for several years and feels these two posts help others get a better sense of what makes him tick:
Scan the QR code with your device to download Tanner’s vCard.
Tanner Milne, MBA | SIOR | CCIM
President
Office | Medical/Dental Office | Industrial

VICE PRESIDENT, CCIM, MEDICAL/DENTAL/VET OFFICE, OFFICE
JASON TRIANO
Jason Triano, CCIM, specializes in the representation of buyers and tenants looking for dental, medical, veterinary and professional office space. Since joining Menlo Group in 2018, Jason has negotiated purchase and lease assignments valued at more than $70 million in total considerations. He has helped many startups to sign their first lease and established practitioners to expand or relocate their practices. Jason has also successfully worked through several sale/leaseback investment assignments for property owners who have chosen to capitalize on the strong resale market and remain in their space as a tenant. Prior to working at Menlo Group, Jason served for seven years as Vice President at Bank of America in a Business Development role, providing lending solutions to physicians, dentists and veterinarians across the Southwest for their real estate and practice needs.
Jason is a 2001 graduate of the Arizona Institute of Business, where he earned a degree in Business Management. He is a member of the Arizona Veterinary Medical Association and has earned the Certified Commercial Investment Member designation from the CCIM Institute. A CCIM is a recognized expert in the disciplines of commercial and investment real estate. Jason is actively involved with his community as a volunteer for Feed My Starving Children and a Henry’s Member of ICAN, where he works on a team to organize and raise capital to help local, at-risk youth. He is also married to a Phoenix native and has two daughters.
Scan the QR code with your device to download Jason’s vCard.