Parkinson’s Moving Day

On May 6, company co-founder Mary Ann Clark was joined by Dianna Clark, Chad Clark, Christy Clark Da Silva, and other Kleen Team members for the Parkinson’s Moving Day at the National Mall to support the national nonprofit Parkinson’s Foundation. The annual fundraising event features a family-friendly walk course and other activities that celebrate movement, which has been proven to help manage Parkinson’s symptoms.

Kleen Team in the Community: Samantha Fraser

We are proud of our Kleen Team’s efforts to give back to the community, and we will be spotlighting a member’s volunteer work every month!

In April, we are featuring Business Development Manager Samantha Fraser, who is all about relationship building.

“I love connecting with people, I like the small talk, meeting somebody finding out about kids, dogs family – what they like to do in the weekends,” Samantha says. The Fairfax resident joined Mister Kleen in July 2022 after working in business development with a government contractor.

Aside from being able to connect with people as part of her job, Samantha was drawn to the family aspect of Mister Kleen. “I like that it’s a family business. That was a draw for me. I feel that family businesses value their employees. And so that was a huge plus for me.”

Family is at the heart of who Samantha is. When her father fell ill in 2018, she took a year off to serve as his primary caretaker. They were both active in their church’s community programs, including a county hypothermia prevention for the homeless. When the church opens their doors for their designated week, she volunteers as a dinner captain, organizing everything from the menu to the setup to the cleanup.

“This is a group of people that I think are often physically overlooked. We sometimes feel awkward around them and so we tend to look past them and not connect – and for me, the whole human experience is connecting with other people.”

While she’s obviously a people person, some on the Kleen Team also know of Samantha’s passion for animals. Both she and her husband, Eric Mallette, are animal lovers and they have been fostering puppies, two at a time, with Wolf Trap Animal Rescue.

“Because we’re not likely to keep two puppies, right? We might keep one puppy but we’re not keeping two puppies and you can’t choose between two puppies! So we made the very conscientious decision to only foster in groups of two and since then, I guess we’ve fostered 12 to 14 dogs.”

While she and her husband aren’t fostering any puppies right now, they can provide insights into fostering or adopting dogs for anyone who’s thinking about adding a furry friend to their family. You can email Samantha or go to to wtarescue.com learn more about fostering animals!

Kleen Team in the Community: Giellen Medeiros

Mister Kleen has its roots in the community, and its leadership team and employees have been involved in multiple charitable activities over the last four decades. We are proud of our Kleen Team’s efforts to give back to the community, and we will be spotlighting a member’s volunteer work every month! 

In March, we are focusing on Giellen Medeiros, Mister Kleen’s Office Manager since October 2020, when she took over the position from her sister, Arianne Medeiros Downey. “I enjoy the fact that every day is something different – I’m not doing the same thing over and over again,” Giellen says.

Giellen grew up as the youngest of five siblings in Brazil, where they were raised by their mother. Arianne first moved to the DC Metro region in 2010, and Giellen followed her two years later. After being promoted from office administrator to office manager at another company, Giellen was hired at Mister Kleen when Arianne had to switch jobs for personal reasons.

As Office Manager, Giellen is called upon to solve problems large and small, and she tackles all of them with a smile on her face.

“I like helping people,” she says, and it’s something she continues to do outside of work hours. A self-described introvert, much of Giellen’s volunteer work leverages her technology skills while keeping her out of the public eye, for the most part.

This has included refurbishing computers for The Wilderness Technology Alliance. The refurbished computers, which have been donated by organizations and government agencies, are then given to needy individuals, nonprofits, and schools in the Metro DC area.

Closer to her home in Alexandria, Giellen also works with Momentum Collective Inc., a performing arts nonprofit that focuses on providing programs for low-income youth. When they put on plays, she will photograph the performances and then Photoshop the images to optimize them for promotional use.

Despite her reserve, Giellen also volunteers at community food pantries such as the Capital Area Food Bank.

“I actually went to a food distribution event in Arlington a couple of weeks ago with Yesenia Morales. It was very fulfilling, but it was also painful to watch because it was so cold and it started snowing, and people were standing there for like two hours just to get food. It was very painful to see. But I’m also blessed to be a part of that and try to help a little.”

“I just like helping people, it makes me feel useful and it makes me feel good. And you know, I have the time. I can do this and I love doing it.”

Ana Silva Baires

Ana Silva Bairesis one of the 2023 You Make a Difference Award winners! The quarterly award recognizes an employee’s teamwork, productivity, and contributions to the company and our customers that are above and beyond. 

“Ana has been a dedicated employee since she joined the Kleen Team. She shows up every day on time and ready to go. The clients are pleased with her work, as she consistently goes way beyond the call of duty. Her performance has exceeded expectations!” says her supervisor,Yolanda Rathbone.

Sulma Acosta

Sulma Acosta is recognized as one of this year’s You Make a Difference Award winners! The award recognizes teamwork, productivity, and contributions to the company and our customers that are above and beyond. 

“Sulma shows up every day ready to work. Her areas are always super clean. She even gets compliments during Mister Kleen’s Building Excellence Competition inspections.” – Craig Dufour, Area Manager