Strelmark Team

Strelmark, LLC – 1629 K Street, Suite 300, NW, DC 20006       (301) 237-5118


Sarah Martin Martin Sarah

Senior Advisor
Ms. Martin has served as senior communications executive for KPMG, BearingPoint and CSC. She currently develops and executes communication programs to engage employees and other key stakeholders to achieve growth. She has extensive transformation, change management and strategic communications experience in professional services, consulting and technology industries, and has served as senior communications strategist and advisor to CEOs and executive teams on corporate, reputation, employee and financial matters.

As vice president for Corporate Communication at CSC, Ms. Martin had responsibility for the global communications functions for a $16 billion public company with more than 100,000 employees. She led strategy, planning and execution of all internal and external communications initiatives which included a CEO transition and launch of new strategy and transformation initiatives impacting all aspects of the company. She was responsible for communications strategies to transition the company to new sales enablement and global account programs designed to strengthen the company’s selling culture and achieve aggressive revenue targets.

Prior to this she was vice president of Corporate Communications for BearingPoint and was responsible for executing global communications strategy and directing worldwide internal and external communications functions. In this role she played an integral part in the transition team that managed the company’s spinoff and initial public offering in 2001 and its integration and change strategies during BearingPoint’s global re-branding campaign (from KPMG Consulting) and extensive global acquisition activity. At KPMG, she also led consulting engagements providing new product development and strategic marketing services to clients in the federal market.

Ms. Martin holds a Bachelor of Arts degree in international relations and a Master of Arts degree in international relations from Boston University.

Shari Kapelina Shari Kapelina

Mrs. Kapelina has served as senior marketing executives for KPMG, MCI Telecommunications, and MarchFirst. She currently is the President and CEO of SlickRock LLC a social media marketing company that utilizes data analytics to help companies improve their online brand through strategic social media marketing. Mrs. Kapelina brings a broad spectrum of social media marketing, advertising, partnership development and brand marketing expertise. She has experience working with companies in the B2B market, consumer package goods, finance and the travel industry.

Shari’s greatest strengths are her passion for strategy, creativity, drive and leadership. She thrives on challenges, particularly those that expand the company’s reach. At KPMG she had responsibility for industry and strategic corporate marketing, event planning and communications. While at MCI Telecommunications, she managed partner travel relationships with Delta Air Lines, United Airlines and Continental. She oversaw all acquisition marketing initiatives including 2+ million pieces of direct mail, broad print advertising campaigns, online acquisition and inflight videos. Using data analytics to effectively target high value customers, her efforts resulted in generating more than 80M in revenue annually.

Mrs. Kapelina holds a Bachelor of Science degree in Marketing and Communications from the University of Utah. She is a past Board Vice President and Chairman of the Marketing Committee for Imagination Stage, a children’s theater in Bethesda, MD.

Heather Mahoney Heather Mahoney

Marketing & Social Media Specialist
Originally from the Washington, DC-metro area, Heather is an innovative professional with experience in all forms of media, including but not limited to, journalism and public relations. A graduate with honors from the University of Maryland, she specializes in media management and brand-focused marketing – with experience behind the camera as a reporter and later a publisher.

A philanthropist, she has participated on committees including: Ladies America; Fashion for Paws – The Washington Humane Society, Mellon Gala (DC), Virginia Gold Cup, Becky’s [Domestic Violence] Fund, and remains a volunteer for numerous community organizations, specifically the Red Cross.

One of her most notable and rewarding achievements thus far is the founding of Haute Haus Agency, LLC in Chevy Chase, MD []. In her free time she continues to write both personally and professionally and enjoys time spent with her rescue dog, CoCo.

Linda HornLinda Horn

Director of Operations
Linda Horn has been working with Hilary and the Strelmark team for over 15 years as the Director of Operations. At Strelmark she manages the full range of administrative, logistical and operational duties for the Strelmark team.



Strelmark Mailing address:   1629 K Street, Suite 300, NW, DC 20006 (301) 237-5118

“I had the honor of getting to know Hilary over the past several months, as we engaged with her to deliver the keynote speaking role for ScienceLogic’s national sales kick-off meeting. Her message hit home to the more than 200 attendees, as she elegantly delivered a very inspirational message. Hilary’s professional and life experiences, coupled with her incredibly passionate speaking style, made her message one that we all will remember in our daily professional journey! I look forward to following Hilary in the future, and will keep her message with me as an inspiration with my own walk in life! Thank you, Hilary, for moving us with your message!”

Keith Rice, VP, Strategic Accounts, ScienceLogic

“It was a great pleasure listening to your dialogue at our Sales kickoff we were all thoroughly impressed by your guidance.”

Antonio Piraino, CTO, ScienceLogic


“I must say that I really enjoyed listening to Hilary the most, and got the motivation to develop my network further in the Washington DC area….”

Ipek Tunca, Senior Business Strategy Analyst, Microsoft

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