NM Commercial Staff

Todd Hetherington

Todd Hetherington, CEO, NM Management

Todd Hetherington is the Chief Executive Officer of NM Management, Inc., the parent company of all of NM's real estate service companies including CENTURY 21 New Millennium, 1st County Mortgage, Bay County Title and Escrow, Proactive Property Management, and NM Insurance.

Hetherington began his real estate career in 1988 as an agent and earned the NVAR Life Member, Top Producer and NVAR Life Member, Million Dollar Sales Club awards and has owned his own real estate company since 1991. In 1998, he merged his company with another local CENTURY 21 broker forming CENTURY 21 New Millennium.

Hetherington earned his Bachelor of Science degree from the United States Military Academy, West Point, NY and his Master of Engineering Administration from The George Washington University, Washington, DC. Hetherington resides in Fairfax County, VA where he and his wife keep busy juggling their three children's busy school, scouts, and sports schedules.

Mary Lynn Stone

Mary Lynn Stone, President, NM Management

Mary Lynn Stone is the President of NM Management, Inc., the parent company of all of NM's real estate service companies including CENTURY 21 New Millennium, 1st County Mortgage, Bay County Title and Escrow, Proactive Property Management, and NM Insurance. Stone has direct responsibility for overseeing the operation of twelve CENTURY 21 New Millennium real estate offices throughout VA and MD. A 30 year veteran of the real estate industry, Stone owned and operated her own real estate company in Maryland from 1992 to 1999, when she merged her company with CENTURY 21 New Millennium. Stone serves as a Member at Large with the Tri-County Council of Southern Maryland. She has also been a member of the Economic Planning Growth and Protection Committee for the State of Maryland. Stone holds a Bachelor of Science degree in Business Management and Marketing from the University of Maryland. Stone resides in St. Mary's County, MD with her husband, Joe, and their two children.



Art Carson

Art Carson, Director, NM Commercial - Maryland

Art Carson is Director of NM Commercial Real Estate where he oversees the daily business and marketing activity of the company, with all commercial affiliations reporting directly to him.

Known as a “people person,” Art began his exceptional career in 1968, as a Professional Golfer in the Southern Maryland area, and in 1970, he was unanimously elected Vice President of the Northern Chapter of the Middle Atlantic Professional Golfers Association.

In 1982, Art entered management as Director of Sweetwater Country Club in Houston, Texas, where he also served as liaison for the LPGA of America, whose home base remains at Sweetwater.

In 1987, Art joined First Annapolis Savings Bank as Vice President of Commercial Lending for Southern Maryland, a position that allowed him to develop a vast network of commercial business connections in the area. Then, in 1992, Art began his commercial real estate career, working with national brokers and franchise representatives while continuing to maintain strong relationships with Middle Atlantic region brokers. Through this position, Art has serviced large corporations for site location and small business owners for lease negotiation and site identification.

Currently, Art is a member of the Solomons Business Association and the International Council of Shopping Centers. He also maintains a life membership with the Professional Golfers Association. On a personal level, Art enjoys traveling with his wife, Anne, on global humanitarian missions, their latest venture of which was to Cuba.

E-mail Art

Cell phone : 410-610-2676

Office phone: 301-737-5151


Usman Amir

Usman Amir, Commercial Designee - Maryland

For more then 20 years, Usman Amir has been consummate leader with in-great knowledge of all aspects of commercial, Industrial properties, business brokerage and residential real estate, including commercial tenant representation, buyer/seller representation. Mr. Amir has represented, Buyers, sellers, investors, business owners and residential developer throughout his real estate tenure.

Usman Amir began his real estate career as an agent selling residential real and commercial estate in 2003. Mr. Amir has successfully built, owned and managed multiple condominium office projects, Mobile Home Park, Gas Stations, Sub Shops, Shopping Center and hospitality and restaurants. He also handles the leasing of strip shopping centers and warehouse condominiums.

Usman Amir holds a Bachelor in Hotels and Restaurant Business management from the University of Maryland. Mr. Amir also speaks Spanish, Farsi, Dari, Pashtu, and Urdu

Mr. Amir, resides in Ellicott City Maryland

E-mail Usman

Cell phone : 443-864-7484

Office phone: 410-730-8888


Ray Curtis

Ray Curtis, Commercial Designee - Maryland

Ray has been working in Commercial Real Estate for over ten years. He is a full time REALTOR specializing in the Tri-County area as well as Southern Prince George’s County.

Ray’s main focus is in the sale and leasing of Flex warehouses and office spaces in addition to land sales. He proves extensive knowledge and expertise in sales and customer service, as before coming into real estate, Ray managed his family business, Curtis Propeller, for over 30 years.

Honesty and Integrity are the pillars to his success. Ray has been a consistent Multi-Million Dollar Producer throughout his real estate career and is the recipient of a multitude of awards and accreditations from the Industry. His clients range from Medical Professionals to Manufacturing Facilitators.

“I am thrilled to be a part of NM Commercial,” said Curtis, “Backed by their advanced tools, systems, and support, I can continue to provide superior service and market knowledge to those needing commercial real estate services.” Since becoming affiliated with NM Commercial, Ray has begun the process of also obtaining his Virginia real estate license to expand his coverage area to be able to better serve his clients and customers.

E-mail Ray

Cell phone :301-807-3185

Office phone: 301-609-9550


Rudy Falle

Rudy Falle, Commercial Designee - Maryland

For more then 35 years Rudy Falle has been helping people Sell, Lease, and Purchase Commercial and Industrial properties.

Rudy begin his real estate career as an agent selling residential real estate in 1975 and soon after transitioned to commercial real estate. He has managed multiple condominium office projects with on site sales offices in Montgomery and Prince George's Counties. He also handles the leasing of strip shopping centers and warehouse condominiums. Rudy is experienced in all aspects of commercial real esate.

Rudy Falle holds a Bachelor of Science degree in Business Administration from the University of Maryland. Rudy is an active member of the Kiwanis Club of Olney Maryland where he has been secretary of the club for the last 15 years. Rudy resides in Rockville Maryland and has had a summer home at the Chesapeake Ranch Estates in Lusby Maryland since 1974.

E-mail Rudy

Cell phone : 301-980-6821

Office phone: 301-737-5151


Anne Cullins DavisAnne Cullins Davis, Commercial Designee - Maryland

To be successful in real estate, you must always put your clients first, Anne believes. For nearly a decade as a professional realtor, she has continually demonstrated this philosophy, and as a result, has earned a stellar track record and loyal following.

A lifelong resident of Southern Maryland, Anne assists small and large business clients in the sale, lease, or acquisition of commercial real estate across Southern Maryland, fulfilling all their retail, office, industrial and investment needs. She is highly dedicated to her work, attentive to their needs, and knowledgeable of the market. She's great at exposing people to the "inside scoop" on living and operating a business here, while educating them on the exact process of buying or selling so they are fully prepared and confident.

Knowing every square inch of her hometown territory makes Anne an invaluable resource whether you're new to or established in the area. "I love living in Southern Maryland and want all my commercial customers to feel that this is their 'home' also," she says. "I am very responsive and committed, and when you become my client, I always work with your best interests top of mind."

Anne's seasoned sales skills, keen eye for detail and strong sense of marketing and negotiating were honed in her previous positions in the service industry and in business development. Real estate was a natural transition and passionate pursuit for her, one which has been extremely rewarding. Personally, Anne loves living on the water, spending time with her family, golfing, and staying fit with CrossFit, running and triathlons.

E-mail Anne

Cell phone : 240-925-4477

Office phone: 301-737-5111


Mira NealeMyra Neale, Commercial Designee - Maryland

COMPETENT - a much desired ability, knowledge or skill that a client seeks in a Broker---'being competent' is the quality service Myra provides to her clients. Myra excels in the outstanding customer service she provides her customers and clients. 

Myra is a longtime resident of Southern Prince George's County Maryland. Myra began her real estate career as a Residential Realtor. She is certified through the National Association of Realtors as a Military Relocation Professional. Myra is a Certified Commercial Investment Member (CCIM) Candidate. She is a Residential Realtor and Commercial Broker licensed in Maryland and the District of Columbia.

Myra retired from the District of Columbia Government after 34 years of stellar service. She is a native of Southern Prince George's County Maryland. Myra is actively involved in community activities in Maryland and the District of Columbia. She is an Army Mom who is actively involved in military related activities. 

E-mail Myra

Cell phone : 240-416-6832

Office phone: 301-609-9550

Ken HenningsKen Hennings, Commercial Designee - Maryland

Ken Hennings has retired after over thirty-eight years with the Department of Agriculture, working in the credit/finance/appraisal fields of agriculture, residential, and commercial sectors. He has strong experience in commercial real estate which includes working with buyers and sellers from initial contact to settlement. His last position was supervision of the National USDA, resolving loan and grant programs for rural businesses at the D. C. national office.

Ken has lived in Huntington the last twenty-five years and thus, has a solid understanding of the commercial real estate market in Calvert and the surrounding counties.

Ken is an affiliated commercial broker actively representing NM Commercial Real Estate, and his office is located in Prince Frederick. Ken is presently planning an aggressive canvasing program in Southern Maryland which will concentrate on the trade areas of Prince Frederick, Huntingtown, Dunkirk, Chesapeake Beach, and North Beach.

E-mail Ken

Cell phone : 410-610-3083

Office phone: 443-968-9581

Terri RaleyTerri Raley, Commercial Designee - Maryland

Terri Raley recently joined NM Commercial as a full time commercial agent. She was known in St. Mary’s County and Charles County, Maryland as the CEO of Raley's Home Furnishings for 12 years. She spearheaded the sale of Raley’s Home Furnishings’ business and real estate holdings in 2017.

Terri started as a financial adviser with MetLife and Street Street Investments after graduating from Old Dominion University in Norfolk, Virginia. She received The Agent of The Year Award in 1993. She later joined forces with Combs and Drury Insurance Agency in Leonardtown, Maryland and emphasized her efforts in estate planning.

Attentive to the clients needs and providing accurate information are Terri Raley’s goal for each commercial real estate transaction. She is an avid sports fan, a St. Mary’s County Softball Hall of Fame inductee and enjoys boating in the Chesapeake Bay and its tributaries.

E-mail Terri

Cell phone : 240-309-7850

Office phone: 301-737-5151

Diana HavennerDiana Havenner, Commercial Designee - Maryland

Diana L. Havenner is a licensed Commercial Real Estate Designee in Maryland. With the power of NM Commercial’s depth of resources and properties, she provides her clients with the information and services to achieve optimum results in their property buying and selling initiatives.

Diana was born in Washington DC, and beyond making this region and its communities her home for over 50 years, she successfully built a reputation in the construction industry which has spanned over 30 years. This includes home building, land development, property management, commercial construction, and the success of her own business in the concrete industry. She has managed many operations and often complicated transactions through the years and knows how and what it takes to get a deal done on time and on budget. She strives not only to meet her client’s expectations, but to exceed them. Additionally, Diana has the benefit of having worked as a licensed mortgage loan officer just prior to obtaining her real estate license, adding this critical knowledge to the benefit of her clients as they maneuver the complex path to the best financial considerations. When it comes to evaluating the properties and options to fit her client’s needs, she calls upon this extensive hands-on background in business contracts, finance and property management to find and negotiate the best alternatives to meet her client’s objectives.

Diana has built her reputation by being truly vested in her clients and her work, and with the resources of one of the most prestigious commercial brokerage firms in Maryland, she looks forward to working with you on all your future commercial endeavors.

E-mail Diana

Cell phone : 443-684-4312

Office phone: 301-609-9550


The services provided by NM Commercial are not provided by,

affiliated with or related to Century 21 Real Estate Corporation (or its affiliates) or the CENTURY 21® System.