About Us

We're more than a professional services firm.

We’re your partner for intelligent solutions
through innovation and collaboration.


Unique Perspectives

Our Employee-Shared Company® is made up of approximately 100 experts with different backgrounds, each bringing their own individual experiences but with a common entrepreneurial spirit.

Collective Intelligence

Since 1995, our collaborative approach has cultivated an operating environment and culture that allows us to be efficient, agile, and responsive with each other and our clients.

Exceptional Results

With our five divisions – Consulting, Branding and Marketing, Digital, Enterprise Technology, and Staffing – we are able to deliver intelligent, integrated solutions to clients ranging from Fortune 500 companies to emerging regional businesses.

Fast Facts


Business & Structural Leadership

Trellist's mission is to always be a leader in our field, respected within our community, and utilized as a business partner because of our dedication to providing intelligent business solutions through innovation in marketing, design and technology. This is embodied by Trellist's senior leadership. Meet some of the team below.

Founder and CEO
David Atadan

David Atadan An entrepreneurial force in the Mid-Atlantic region, architect of the Trellist operating model and trusted consultant to our clients, David, Trellist's CEO, built the company from the ground up 20 years ago and is implementing the Trellist vision of a family of companies that includes sole and joint ventures as well as philanthropic endeavors.

Senior Partner | CTO, CIO
Jie Yang

Jie Yang Leaning on 20+ years of IT Management experience, our co-founder Jie masterminds client technology strategies in collaboration with senior VPs and CEOs to help them increase profits while always delivering a memorable customer experience. Jie's passion for consulting on ecommerce, systems architecture and IT security is key to long-running partnerships with the world's leading brands.

Melanie Schilling

Melanie Schilling

Leveraging a breadth of experience from her 20-year career, Melanie is a versatile, results-oriented finance leader with wide-ranging, cross-functional expertise in the fields of accounting, auditing, and financial planning. With a focus on maximizing shareholder value, Melanie employs a strategic business partner approach to balancing short and long-term financial goals.

Partner | Consulting & Account Services
Gavin Garrison

Gavin Garrison Responsible for marketing strategies that touch millions of customers worldwide every year, Gavin is on the forefront of fintech innovation and oversees activities related to Trellist's financial services client base. 

Partner | Consulting & Account Services
Todd Metzger

Todd Metzger An accomplished entrepreneur and business innovator, Todd brings over 20 years of diverse leadership and information technology experience to Trellist.  He currently directs our Staffing division and oversees our SharePoint technology solutions and services offering.

Partner | Consulting & Account Services
Maria Gunther

Maria Gunther A senior Strategic Business Consultant for some of our largest clients, Maria builds dynamic teams that produce effective brand marketing and communication strategies within the Manufacturing & B2B industry. With over 15 years of industry experience, her account leadership continues to help Trellist’s enterprise clients achieve lasting success.

Founding Partner
Pat Toman

Pat Toman Pat possesses three decades of creative and strategic consulting experience in our region and was one of the architects of Trellist's corporate evolution from a digital company to a leading and respected professional services firm.  

Partner | Creative Design
Lou Burtell

Lou Burtell

A Creative lead for Trellist’s Financial Services Clients, Lou has dedicated over 20 years to the company. With experience ranging from traditional to interactive design, his focus is committed to multi-channel direct response campaigns that span across the lifecycle of all customer accounts.

Ventures and Partnerships

As an extension of our curious and collaborative nature, Trellist Marketing and Technology is constantly looking around the next corner, pursuing new business ventures and establishing partnerships that benefit our growth and ability to serve our clients.


Nothing ventured, nothing gained. Especially in business. That’s why Trellist continually ideates and entertains ventures that help us grow and expand our footprint, while also exposing our core team to new vertical experts and horizontal specialists.

Trellist has participated in various philanthropic and innovation ventures as well, using our influence in the professional services industry to lead to a net positive effect on the communities we operate in and the place where our talented staff call home.


Creativity is a key precept of the Trellist persona, and we often work with partners to develop creative solutions – whether they’re the result of a specific client request or in anticipation of a market shift or demand in professional services.

We develop strategic partnerships with fellow leaders in quality marketing and advertising, management consulting, technology, computing, communications, distribution, and more. And we welcome new conversations around partnerships.