Our Team


Bruce MacLellan

Chairman & CEO
Bruce MacLellan is a veteran communications counsellor and entrepreneur, and was the founding President & CEO of the Proof organization over two decades ago. Bruce has provided counsel to leaders in business, government and not-for-profits and continues to apply his entrepreneurial thinking to opportunities with clients. Inside the company, Bruce is known for encouraging people to go outside their comfort zone and always look for ways to be better.

Mimi Carter

U.S. General Manager & Sr. Vice President
Mimi’s strengths lie in envisioning, implementing, and measuring the results of integrated communications strategies. While her high standards intimidate the friends of her two teenage daughters, Mimi’s tenacious nature means clients can rest easy. She has a passion for analytics and finding just the right word.

Melody Gaukel

Sr. Vice President, Corporate & Finance


Henri Vies

Account Director
Henri is a firm believer that integrative approaches to communications strategies are key to achieve success. He is passionate about working with high-tech companies and has taken pride in translating complex companies, services, and products into compelling stories aimed at businesses and consumers alike.

Luci Manning

Account Director
Luci’s keen attention to detail serves her well in building relationships with media, influencers and clients. Luci believes that earned media outreach, and amplifying great coverage using social and digital media, solidifies her client’s initiatives, advocacy efforts and key messages. Before coming to Proof Strategies, Luciworked at PR Solutions, Inc. for nearly 15 years honing her passion for progressive issues and working with foundations, nonprofits and associations. In her free time, she enjoys watching college basketball, knitting and baking to calm her nerves after watching a tight game and seeking out the best tacos in the D.C. metro area.

Adrian Gianforti

Account Director
Adrian joined the Proof Strategies team in January 2019 rounding out her tenth year in the PR and communications industry. She’s worked in everything from food safety to SMART cities to disaster preparedness allowing her to “know a little bit about everything,” and mobilize quickly with new clients and build relationships. After living on three continents and traveling around the world, she considers D.C. to be her favorite city of all (Paris a close second).

Heather LeVasseur

Director of Operations
Heather comes to Proof Strategies with more than 20 years of experience in business development and operations management. Heather started out her career as a Director of an art gallery in New Mexico and was able to achieve the highest grossing sales to date during her tenure.  The Aerospace industry brought her to Washington D.C., where she honed her skills in operations and strategy. When she is not thinking about how to best streamline internal and external processes and upgrade client service, you can find her on the sidelines cheering on her two boys who travel the Mid-Atlantic for soccer, or, less frequently, dragging her family to an art museum to see the latest exhibit.

Rachel C. Hampton

Senior Account Executive
Rachel is a communications professional committed to solving her team’s most pressing challenges by utilizing strategy, innovation, collaboration, and leadership. Whether in front of the camera, behind the editor’s desk, or with a strategic communications plan, you can find Rachel discussing the latest in business, technology, entrepreneurship, and policy.

Shelby Burns

Account Executive

Shelby’s love for communications and the digital world has blossomed into a passion for the public relations industry. A native Floridian, Shelby spends her spare time exploring the DC area. She loves planning outdoor adventures in the nearby National Parks, discovering new restaurants, and visiting all of the local museums.

Sarah Vallarelli

Account Executive
Sarah's creative mind has been the driving force for her love of all things communications. When she is not in the office you can either find her at home binge-watching Netflix or out exploring the city while on the hunt for the perfect taco. A New York native, she is a night owl by trade and loves to go back home to see her family, especially her baby niece's Fiona and Penelope.

Allison Smith

Account Executive
Allison’s love of digital marketing and creative strategy makes public relations a perfect fit. A recent graduate of Washington and Lee University, she spends her time outside the office exploring Washington DC and scouting out the best pizza in the city.

Mark DePaul

Associate Account Executive
Mark started his marketing and communications career when he began using social media to share his lifestyle and promote fashion. Through his passions, he quickly became a social media influencer, growing a following that ultimately reached tens of thousands. When not in the office, Mark can be found scouting photo locations, keeping up to date with fashion trends and planning his next trip.

Aaron Teitelbaum

Aaron is passionate about helping organizations overcome global communications challenges. Prior to his graduate studies, Aaron’s professional career enabled him to live in 15 countries around the world. Most previously, he was a Senior Editorial Manager at Oxford Business Group, an economic news and consulting firm based in London. They say you know someone once you travel with them, and Aaron is definitely someone you’d want to travel with. His adventurous spirit leads him to enjoy discovering new places and mapping out exciting journeys. Aaron is an avid scuba diver and is always looking forward to his next dive.