Team

Our vision has attracted a team of enthusiastic experts with diverse backgrounds, each committed to bringing EnViron’s vision to life.  Together, we have over 100 years of relevant experience.  Experience Matters.  

Lorenzo Williams
Founder, Managing Partner

Lorenzo, a serial entrepreneur, has over 35 years of experience in diverse domestic and international markets. He is the founder/CEO of Central City Wire & Cable, a distributor to electric utilities. He has held executive level positions with the City of Houston Public Woks and Engineering Depart. and Dominos Pizza Worldwide Distribution Corp.

Michael Niemann
SVP Engineering Smart Building Technology

Michael has an unwavering lifetime commitment to the design, efficient manufacturing, and marketing of quality products. He is the founder of HercuWall, an award-winning technology to reinforce concrete without the use of rebar.

John McKissack
SVP Engineering
Chief Operating Officer

John has over 25 years experience in process cand HVAC systems and applications for commercial buildings. He is steeped in commercial light control systems. He has served in executive level position with Johnson Controls, Thomas and Betts, and NorTek Global HVAC.

Clifford M. DeBerry Jr.
SVP Engineering
Construction & Design

Cliff has over 36 years of experience. He serves as the VP of design, construction, and delivery of electric, gas, and water with Memphis Light, Gas & Water, the nation’s largest three-service utility provider serving over 440,000 customers with electric, gas, and water services.

The Power of Profound Experience. The Power of Team. Relationships Matter.

Manzoor Hasan
Chief Financial Officer

Manzoor has more than 25 years of all-around accounting, taxation, and financial management experience and extensive knowledge of tax law, insurance, real estate development, and strategic business planning. Manzoor, a CPA, holds an MBA, MST, CVA, CGMA, and CFE degrees and certifications.

Vernon Williams
Chief Architect

Vernon represents over 30 years of experience in the built environment. He is an award-winning architect whose designs can be seen all over Chicago's skyline. Vernon is the CEO of Vernon Williams Architects in Phoenix, AZ.

Andrew Hartsfield
Legal Counsel

Andrew has over 20 years of law experience and maintains a general law practice with an emphasis on real estate and  general litigation and several areas of the law that allows for creative solutions to legal problems. 

EnViron’s Advisory team

The Power of Relationships. The Power of Experiential Intelligence. Wisdom Matters.

Paul McKee
Civil Engineer

Paul McKee, CEO, M Property Services, a Commercial/Residential Real Estate Development company, is the largest commercial real estate developer in Missouri with developments of more than 3,600 acres of sites and over 250 facilities totaling more than $2 Billion in market value. Paul is a personal friend and mentor to the founder.

Lacy Clay
US Congressman

William Lacy Clay, a former US Congressman representing St. Louis, MO for 20 consecutive years before retiring in 2021. Lacy currently lives in Washington DC area and works for one of the largest and most prestigious lobbying firms in DC. Lacy is a personal friend and confidant to the founder.

Vada Grantham
Entrepreneur

Vada Grantham, a serial entrepreneur with 35 years experience across several industries. He is CEO of Revelations Research, a full-service research firm in Des Moines, IA and CEO of Abidica, a consulting firm in West Africa (Ivory Coast), with a focus in real estate development and mining. Vada is also a professor at Des Moines Area Community College where he teaches business.

Willeen Hastings
Former CEO

Willeen is the former CEO of Memphis Health Centers has more than 35 years of experience as a healthcare professional and administrator. She is a Registered Nurse, having received a BS degree from the University of Memphis and a Masters of Science and Health Services administration from the University of St. Frances.