Meet the GWBC Team

The GWBC team is dedicated to helping women business enterprises (WBEs) succeed and works hard to extend our outreach, increase our visibility, and refine our procedures to effectively implement certification and business enhancement programs with our corporate members.


Roz Lewis

President & CEO
(678) 446-6934


Pat Agard

Executive Assistant to
President & CEO
(404) 702-4534

TelishaJackson (2)

Telisha Jackson

Director of Programs & Operations
(404) 696-9983


Sharelle Burt

Programs & Events Coordinator
(404) 719-2018


Sharon Judge

Certification Manager 
(404) 536-6665


Lexi Morris

Certification Coordinator
(470) 827-5787


Evette Blackmon

Certification Team

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Melonie Jones

Certification Team 

Board of Directors


Dr. Lissa Miller


Lissa Miler is the interface between Truist and the diverse supplier community. She is responsible for working with its lines of business and functions to expand the company’s utilization and development of qualified minority, women, veteran, disabled, LGBT-owned small businesses and ensure that the bank is in compliance with federal guidelines concerning diverse supplier inclusion in procurement activities. She brings with her over 20 years of collective experience and expertise in Supplier Diversity, Procurement, Sales and Logistics.


Kathleen Marran


As a VP of Marketing at UPS, Kathleen Marran draws upon her 25-plus years of experience in Marketing and Logistics to oversee a multi-billion-dollar revenue plan and a 300-person marketing team across the nation. Reward for her comes from the team members she has helped promote and develop, the charitable groups she has sponsored and confidence in her ability to adapt to changing situations and environments. Her passions are in creating new experiences for herself and her teams while continuing to work on ways to advance the position of women in business, politics and society as a whole.

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Tina Stevens



In 1997, Secondary Solutions CEO Tina Stevens saw solutions where others might have only seen problems. After carefully examining the processes and problems of modern manufacturing, Tina envisioned a company comprised of skilled, dedicated problem solvers that could step in and save the day—solving the many day to day challenges that manufacturers must face. Tina saw her company as one that offered “Secondary Solutions”, solutions that others could rely on when they faced errors and failures in product design, assembly and delivery. Since then, Secondary Solutions, Inc. has become one of the most successful oversight and problem-solving teams assembled, making SSI the first choice response team for some of the worlds most successful companies. Tina is proud that Secondary Solutions is not only a Certified ISO Company but one that is also a nationally-recognized Women’s Business Enterprise Network. And to this day, Tina is happy to solve your problem too.

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Stephanie Pulliam


Stephanie Pulliam serves as Director, Consumer Wireless Devices for AT&T.  Her team is responsible for supporting the sourcing/contracting for all non-Apple Phones, Tablets, Smartwatches, Mobile Broadband and Connected Devices.  She has been with AT&T since 1987 and has been in the Global Supply Chain sourcing organization since 2013. Prior to this role, she held various Finance positions within BellSouth and AT&T.  She graduated from the University of Arkansas with a BSBA in Finance.


Dwan Armstrong



Dwan H. Armstrong leads the Supplier Diversity Initiative for the Clorox Company. She is responsible for the strategic sourcing of more than $130 Million with (M/W/DVBE) as well as (L/G/B/T) Business Enterprises.

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Sesley Brown

Sesley Brown is the North America Supplier Inclusion & Sustainability Lead and Liaison to the US Contractor Exchange (Cx) for Accenture. She is responsible for promoting Accenture’s mentoring program in the US, the Diverse Supplier Development Program (DSDP) as well as building relationships with small and medium diverse suppliers to maximize growth opportunities with Accenture’s internal and external clients. She has a multitude of experience in the areas of Supply Chain Management, Strategic Sourcing, Acquisitions Management and Sourcing and Category Management.


Patrick Dierberger

Patrick Dierberger

Patrick Dierberger is an assistant vice president in the Financial Management and Planning (FM&P) Department at the Federal Reserve Bank of Atlanta, responsible for financial management, accounting, and duties associated with the Bank’s financial reporting. Working at the Atlanta Fed for 20 years, he previously held positions in the Payor Bank Services, Treasury Check Processing, Check Administration, and Unisys Information Security. He holds a bachelor’s degree from Auburn University and has completed executive development programs with Harvard University and The Wharton School. 



Kayla Dang

Kayla Dang is the CEO of GMI Group, Inc., a female and minority commercial janitorial company based in Atlanta, Georgia that specializes in green cleaning for commercial buildings, corporate facilities, government agencies, and more. Kayla is currently serving on the executive board as vice president of US Pan Asian American Chamber of Commerce-Southeast (USPAACC-SE) and serves on the Latin American Society (LAS) Board of Advisors. Kayla contributes much of her entrepreneurial skills to assist in shaping, guiding, directing, and leading for the sole purpose of enriching the community. 


Sheila Jordan

Sheila Jordan is Managing Partner at Knowledge Architects, LLC, a professional services firm providing innovative digital training solutions and cloud-based mobile applications that supports business process improvement. With 20 years of experience helping organizations increase their overall organizational performance, her mission has always been to maximize growth, resources, and sustainability for her clients. Sheila is a graduate of San Francisco State University with a degree in Human Resource Management, and a Masters in Instructional Technology.



Sushumna Roy Jalajam

With over 20 years in IT management, Sushumna Roy Jalajam co-founded Softpath System LLC, an award-winning firm IT and non-IT solutions provider to Fortune 1000 corporations across the nation. Sushumna is responsible for the company’s day-to-day operations and sets the vision for the staffing and technology strategy, while leading a team of over 800 employees committed to unparalleled service and value. Sushumna is very active within the business community and civic organizations with a passion for enhancing the potential of small and diverse businesses.

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Greg Munoz

Greg Munoz is Vice President, Global Supply Management and Logistics for Sonoco Products Company, a $6.5B diversified packaging solutions company in South Carolina. Greg joined Sonoco in 2003, has 26+ years of experience in supply chain management, including jobs with Motorola (now General Dynamics) and Honeywell Aerospace. Greg is passionate about the advancement of diversity and inclusion by supporting the Sonoco Supplier Diversity program and as Co-Sponsor for the Women’s Business Resource Group as part of Sonoco’s Diversity and Inclusion Council. Greg also serves on board of directors for the Center for Advanced Purchasing Strategy (CAPS) council and is active in influencing positive changes around supplier diversity and other related initiatives. 


Michelle G. Muhammad


Dr. Michelle G. Muhammad is director of Supplier Diversity for Southern Company Gas, a subsidiary of one of the largest natural gas distribution companies in the U.S. with 4.5 million customers across four states. She leads supplier diversity by facilitating increased use of local, small and diverse businesses for procurement opportunities and managing external relationships with diverse businesses, advocacy organizations, regulatory leaders and key stakeholders. A degreed engineer, she believes that economic inclusion of diverse businesses will help to close the wealth gap and ensure a positive economic impact for marginalized communities.



Tameka Harper

Georgia Tech Alum., Tameka Harper is the Director of Global Indirect Procurement for The Coca-Cola Company, where she has served for over 18 years.  She is responsible for over $1.4B of Indirect spend, leading a team of category and sourcing managers responsible for delivering game-changing solutions to deliver break-through value while optimizing the bottom-line. She is a talented communicator skilled in partnering with cross-functional teams, senior management and in building relationships with suppliers, customers, and internal stakeholders.   

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Danielle Cheung

Danielle Cheung is Senior Vice President and Market Executive for Atlanta Metro Business Banking at Bank of America. She is also a member of the Bank’s Atlanta Leadership team and Executive Sponsor for LEAD for Women, dedicated to promoting professional women's development. Danielle chairs the Atlanta Habitat for Humanity Board and is Chair Elect of the Greater North Fulton Chamber of Commerce. She was named the 2019 March of Dimes Woman of Distinction for achievement in the financial services sector and received the 2019 and 2020 President’s Volunteer Service Award for her contribution to the community. Danielle holds a Bachelor of Business Administration and a Master of Business Administration from Pace University in New York and resides in Johns Creek, Georgia with her husband and their three children.


Tai Roberson

Spelman Grad, Tai Roberson is VP and Senior Community Development Officer for Wells Fargo. With more than 15 years of banking experience, she is responsible for delivering the company’s community development strategic initiatives. Prior to rejoining Wells Fargo in 2017, she spent 10 years as a development executive with Clearpoint, one of the largest consumer credit counseling agencies in the country focused on financial capability counseling and education. She has worked tirelessly to gain millions in philanthropic and sponsorship support for community programs.