Jimmy E. Greene is president and CEO of Associated Builders and Contractors’ Greater Michigan
chapter and the Greater Michigan Construction Academy.
Green has led the ABC Greater Michigan chapter through a merger and the purchase of a 23,000 sq.
ft., 17-acre skilled trades training center. The now federally accredited center is the only
commercial skilled trades training center of its kind with a .edu designation. Greene has
developed a number of collaborative relationships with regional training partners, including Dow
He is the first black CEO in ABC's 60-year history.
Cristina Vena is president and CEO of Plexus Group, a telecommunications and electrical
corporation managing primarily government projects through prime and subcontracts. Vena, a
co-founder of Plexus, previously held positions as the company’s chief financial officer and
chief operations officer.
Vena is responsible for all major corporate decisions, creating and implementing short and
long-term business plans, managing resources and creating and fostering teams and partnerships.
Established in 1995 and headquartered in Baltimore, Plexus also has an office in Chesapeake,
Virginia, in support of the US Navy.
Mike Henderson is president of Associated Builders and Contractors’ Baltimore chapter. In his
role, Henderson is responsible for membership growth, policy development, government and
industry relations, and communications.
Under Henderson’s leadership, ABC Baltimore has grown to be the third largest out of 70 ABC
chapters in the nation. The chapter represents 650 companies in Maryland and is one of the
largest business organizations in the state. Henderson has created and managed strategic
alliances with major industry groups, such as the American Institute of Architects and the Urban
Land Institute. He has improved the association’s profile through strategic media relations and
developed Maryland’s largest workers’ compensation program. Under his leadership, the
organization’s revenue increased by 220 percent.
Prior to joining ABC, Brian Sampson served as Unshackle Upstate's executive director for five
years. During his tenure, he pushed for policies to make New York a more business-friendly
state, advocating for less burdensome regulations and lower taxes. One of many policy
accomplishments Sampson led at Unshackle was the implementation of a two percent property tax
cap for municipalities.
Earlier in his career, Sampson worked with Empire State Development as upstate director for
business outreach. He also served as vice president of the Builders Exchange of Rochester, a
550-plus member construction industry association.
Donna Venerable Davis
Donna Venerable Davis is CEO of D&L Cleanup, a woman-owned full service cleaning company located
in Baltimore. Prior to founding D&L Cleanup, Davis worked for 12 years as the director of small
business for Zurich Insurance Company in California.
A lack of connections in Baltimore made for a difficult start, but with Davis’ tenacity and
entrepreneurial spirit, D&L Cleanup soared to the top. The company has since received multiple
awards and accolades, including being named in the Baltimore Business Journal’s 50 largest
minority-owned businesses and top 50 minority-owned businesses lists. The company was also
nominated for the Inner City 100 Award, a national award recognizing the fastest growing small
business in America’s inner cities.
As vice president of diversity and community affairs at Gilbane Building Company, Linda has a
national leadership role in positioning Gilbane’s diversity and inclusion efforts as a
comprehensive strategy to achieve business and workforce commitments on behalf of Gilbane’s
clients in the public and private sector. Linda works with local project teams in understanding
and defining the needs and expectations of clients, while strengthening Gilbane’s relationships
with key stakeholders and trades to enhance contracting opportunities for local businesses as
well as cultivate active participation with industry associations which promote inclusion and
capacity building opportunities.
Carolyn Ellison spearheads marketing, citizenship and community engagement for the mid-Atlantic
region of Turner Construction.
Ellison has more than 30 years of experience in building brands in both the for-profit and
not-for-profit worlds. As both a corporate brander and strategic consultant, she has managed
several Nabisco brands, LVMH & Diageo premium distilled spirit interests, a host of
entertainment properties and Scholastic Book Fairs.
Ellison has also served as an adjunct professor at several higher education institutions
including Rutgers, Touro and Pace Universities. Prior to moving to the Washington metro area,
she worked for the National Urban League and managed the Black Executive Exchange Program (BEEP)
mentor program which paired HBCU students with executives from the private and public sectors.
Gregory A. Malcolm is the founder and president of IronShore Contracting, LLC. He prides himself
on putting safety first and greatly values his employees. Malcolm is a member of the NRCA
(National Roofing Contractors Association), ABC (Associated Builders and Contractors), MCA
(Metal Construction Association), MARCA (Mid Atlantic Roofing Contractors Association).
A resident of Baltimore, Malcolm graduated from Baltimore Polytechnic Institute and later
received his bachelor of science in civil engineering from Morgan State University. Prior to
founding IronShore Contracting, Malcom worked as a project manager for Cotton Construction and
Tecta America and as a project engineer for Whiting Turner Contracting Company and Doracon
Brad Lewis serves as corporate director of supplier diversity at Hensel Phelps. In this role, he
advocates for small and minority-owned business communities across the country, leading all
company initiatives related to improved utilization on projects, diverse recruiting efforts and
training for these business owners.
Lewis started his Hensel Phelps career in 1999 and has held many field operation positions. In
2012 he began providing leadership related to supplier diversity within the mid-Atlantic
district, focusing on mentoring small business subcontractors and guiding them towards meeting
their overall growth development objectives. In 2016 this role was expanded, and Lewis now leads
these efforts nationwide.
Lewis holds a bachelor of science degree in construction engineering technology from Florida A&M
University and is affiliated with several industry organizations including Associated Builders
and Contractors (ABC), Maryland Washington Minority Companies Association (MWMCA), National
Association of Minority Contractors (NAMC), American Contract Compliance Association (ACCA) and
Maryland Minority Companies Association (MMCA).
Kirby Wu, AIA, LEED AP
Kirby Wu, CEO of Wu and Associates , a licensed architect in numerous states with over 20 years
of building industry experience, Kirby Wu brings a unique blend of design and construction
knowledge to the Wu & Associates design-build practice.
After graduating with honors from Carnegie Mellon University with a Bachelor of Arts degree in
Architecture and Industrial Management, Kirby worked as a Project Architect for a prominent
design firm prior to joining Wu & Associates in 1996. He advanced to Vice President after
obtaining a Master of Business Administration degree from Cornell University, and became
President in 2010. Through Kirby’s leadership, Wu & Associates has grown its design and
construction portfolio to provide services nationally, and to specialize in the areas of LEED
sustainability and historic preservation. Servicing both federal government agencies and Fortune
500 customers, the company’s success is reflected in the national recognition it continually
receives for demonstrating excellence in construction, sustainability, safety, and diversity.
Another hallmark of leadership is the company’s achievement of the first LEED Platinum
Certification for Existing Buildings in the entire State of New Jersey. Outside of Wu &
Associates, Kirby served as the Northeast Region Vice Chair for the Associated Builders and
Contractors (ABC) from 2013-2015, a national organization of 69 Chapters and 21,000 members. He
currently still serves on the ABC National Diversity Committee and on the Board of Directors for
ABC New Jersey Chapter. He is also a sought-after lecturer on business and architecture for
professional audiences, and an avid mentor for small and diverse businesses.