Shane McCullar

Shane McCullar
CEO/Operating Principal

Shane S. McCullar, CEO Operating Principal of KW MC
Shane is a Graduate of the University of Mississippi (Ole Miss) with a degree in business and a minor in economics. He was a member of Pi Kappa Alpha fraternity and its pledge President. He did his graduate work in real estate. Shane is Series 7-licensed as an investment broker, and has worked for McDonald’s Corporation and Rubbermaid Corporation in operations positions and the executive level.

He entered into real estate and was named Rookie of the Year for Coldwell Banker located in the Gold Coast, Chicago, IL region.

Shane has been with Keller Williams for 21 years and been a real estate Broker for over 24. He is an owner of four offices, and has launched offices in three states including Chicago, IL, Palo Alto, CA and Alexandria, VA. He is a three-time Black Belt winner, netting 60 plus agents in a single year.

Shane is Operating Principal and CEO of KW Metro Center, presiding over 1000+ agents across Alexandria Old Town, Arlington, Tyson’s , Vienna and our newest office in Midlothian, VA which closed $1.95 Billion in 2020 and $2.6Billion in 2021. This makes KW MC the 5th largest real estate company in the Washington D.C area per Washington Business Journal, and the 150th-largest firm in the United States according to Real Trends.

Shane is a former member of the Northern Virginia Association of Realtors Board (NVAR) of Directors and current BOD of Virginia Association of Realtors (VR), as well as being a past Chairman of RPAC for Virginia, where he was the largest contributor in the Commonwealth. He was inducted into the National Association of Realtors Hall of Fame in 2019.
Shane is an active member of the Life Guard Society of George Washington’s Mount Vernon.
Shane has been married for 23 years to Nicole McCullar, who heads The Commonwealth Team within KW Metro Center, and they reside in Alexandria Old Town.

Kate Papkin is originally from Washington Township, a Philadelphia suburb located in southern New Jersey. She attended the Pennsylvania State University and studied Communications Arts and Sciences and Journalism. She started her career in real estate 16 years ago as a sales representative for new home builder NVR/Ryan Homes in the Northern Virginia market. She was promoted to divisional Sales Manager after successfully selling for 7 years. She then managed multiple sales teams and communities across varying geographies, driving sales volume and maximizing profitability for the company.
Kate joined Keller Williams in 2016 as the Team Leader/CEO of the KW Metro Center Old Town Alexandria office. During her time as Team Leader, the office doubled in agent count, production, and profit. In 2018, Kate went through the rigorous application and training protocols to become a MAPS (Mega Agent Productivity Systems) leadership coach. In 2019, Kate was promoted to General Manager for all KW Metro Center offices. She continues to drive the mission of the organization with the goals of becoming the premier real estate company in Northern Virginia, both in market share and training.
Kate has a quality-positive approach and places a strong emphasis on relationship building and supporting others. She is dedicated to fostering a workplace of integrity, values, and personal responsibility. Kate lives in Fairfax County with her husband of 12 years, their 3 children, and their Cavachon pup. Kate loves to spend free time with family and friends, traveling, playing games, attending sports events and trying new experiences.

Kate Papkin

Kate Papkin
General Manager


Jessica Guadalupe
Director of Finance

Jessica Guadalupe has been a valued member with the KWMC leadership team since 2017. She began her career at KWMC as the Market Center Administrator of our Alexandria office and was promoted to Director of Finance in early 2020.
Jessica, a proud mom of two sons, relocated with her family to Northern Virginia from New Jersey in 2008. She earned two Bachelor of Science degrees from Inter-American University in San Juan, Puerto Rico; one in Business Administration, and the other in Human Resources. In the fall of 2019, Jessica completed her MBA with a concentration in Management.
Jessica’s professional and diverse background of 20+ years has included leading and managing teams, and extensive sales experience as an Account Executive for Univision Radio in New York City and as a Financial Aid Supervisor at the college and university levels. She is detail-driven and has a proven ability to train, manage, streamline, and improve processes. Jessica also maintains a Virginia State Public Notary Certification.
Jessica has a passion for life and different cultures, enjoys traveling with her loved ones, and is fluent in both English and Spanish.

Sherry Hosseini joined KW Metro Center in 2016 as the Director of Operations and Productivity. After spending nearly twenty years working in luxury retail management and operations, Sherry knows how to make things happen while paying attention to the details. In addition to her operational duties at KW MC, Sherry oversees the Productivity Coaching Program, working directly with the coaches to create and implement their vision, as well as coordinating training and special events. Her favorite part of her role is observing newly licensed agents learn the real estate business and become successful beyond their initial expectations.

Sherry graduated with a Bachelor of Arts in History from the University of Maryland Baltimore County. She is a resident of Old Town Alexandria and is probably either at a Pilates reformer class or taking a scenic walk through her neighborhood right now.

Sherry Hosseini

Sherry Hosseini
Director of Operations


Jim Lyons
Director Of Marketing/Lead Broker

Jim has been with Keller Williams since 2008 with 11 of those years spent in the Northern Virginia market. Jim has played many roles in his tenure at KW including agent, broker, director and all around problem solver. After graduating from the University of Kentucky, Jim worked for a number of big box retailers in senior management positions. Jim’s transition to real estate was inevitable based on his earlier construction background (Dad was a contractor) and his appreciation of the housing market. Jim prides himself on his market knowledge, statistical analysis and his problem solving abilities. However, his true passion is one of helping clients and agents achieve their ultimate goals. In his spare time, Jim enjoys playing golf and hanging with his favorite bulldog.

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Keller Williams Realty, Inc. is a real estate franchise company. Each Keller Williams office is independently owned and operated. Keller Williams Realty, Inc. is an Equal Opportunity Employer and supports the Fair Housing Act.

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Keller Williams Realty is as known for our passion for philanthropy as the success of our agents. Our agents recognize that "giving back” is a responsibility embedded within our culture.“To whom much is given, much is required” is a mantra we strive to live up to each and every day.