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 experts with different backgrounds and unique areas of expertise, 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 a full suite of concentrated marketing and technology services, we are able to deliver intelligent, integrated solutions to clients ranging from emerging regional businesses to global Fortune 500 companies.

Fast Facts

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Business & Structural Leadership

Our senior leadership embodies Trellist's mission 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. With that at our core, we have a deeper understanding of how business functions work together.

David Atadan

Founding Partner and CEO

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 25 years ago and is implementing the Trellist vision of a family of companies that includes sole and joint ventures as well as philanthropic endeavors.
Jie Yang

Senior Partner, CTO

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.
Maria Gunther

Partner, Account Management and Consulting

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.
Gavin Garrison

Senior Partner, Account Management and Consulting

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. 
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.

Lou Burtell

Partner, Creative Design

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.

Todd Metzger

Partner, Account Management and Consulting

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.
Pat Toman

Founding Partner

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.  


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

Trellist has participated in various ventures ranging from philanthropic to innovative, including Andy Lally ALIVE®, an ecosystem of products that serve the automotive industry.

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


About Trellist

Trellist is a professional services firm delivering performance-driven business solutions that are flexible, innovative and optimized to maximize efficiency and return. The firm consults on, and integrates, data with marketing, design, technology and digital services for clients at the global, national and regional level. Trellist utilizes a unique approach to business—from the firm’s employee-shared structure, to how it partners with its clients. 

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