The Centerline Team



Mark Green

Mark Green

Founder & President

Mark brought many years of construction industry experience to the company when he started it in 1983. His first company was Rockwall Contracting, a residential drywall subcontractor established in 1974. Seeking to expand his experience into the commercial sector, three years later he closed Rockwall and took a position as a commercial Jobsite Foreman for the Sweeny Company and then later as an Estimator/Project Manager for O’Meara Construction. Mark stays closely involved with Centerline operations, handles the bidding process and oversees all estimates. Outside of the office, he enjoys sailing, hiking, martial arts practice and family activities.

George Toboll

George Toboll

Vice President

George has over 40 years of experience in the building trades and has been with Centerline Construction since 1983. He handles daily operations with the field operations and project management. George enjoys working on large projects, time with family and the outdoors.


Tim Streett

Tim Streett

Chief Estimator

Tim came to Centerline in 1997. Prior to that he worked for Streett Contracting as a Drywall Mechanic, Foreman, Estimator. He has 29 years experience in the Commercial Drywall Industry. Tim handles Pre-Construction budgeting, competitive and negotiated bids, value engineering, material pricing and purchasing. Outside of work he enjoys spending time with his family and watching Baltimore Ravens football.

Donald Jones

Donald Jones

Field Superintendent

Donald came to work for Centerline in 1985 as a helper and worked his way up to mechanic; becoming a foreman in 1990. In 1997 he was promoted to his current position as Field Superintendent. His responsibilities include hiring personnel and making sure job sites are properly manned and stay running in a productive and safe manner. When he is not working he enjoys traveling with his wife and spending time with family and friends.


Kazibi Gildenhuys

Kazibi Gildenhuys

Project Manager

Kazibi learned basic carpentry and building construction while growing up on a working dairy farm outside Mossel Bay, South Africa. He joined Centerline in the Spring of 2013 after graduating with a BComm Logistics degree from Stellenbosch University. As a Project Manager he oversees numerous projects within the Mid-Atlantic area. His logistical background helps him gauge the channels between general contractors, suppliers and customers.

Karl Toboll

Karl Toboll

Project Manager

Karl has been employed by Centerline since 1993. He started working for the company during the summers as a teenager and moved into full time in 1996. Since then he worked his way up through the ranks from a laborer and took his current position as a project manager in 2005. He is married and a father of three. In his spare time Karl enjoys fishing, camping and relaxing with his family.

Jennifer Almond

Jennifer Almond

Secretary-Treasurer

Jennifer came to work at Centerline in 1997. She has worked in all aspects of field and office procedures over her career. Currently, Jennifer functions in the role of Comptroller and Human Resources Manager. And as needed, an Assistant Project Manager as well. Outside of work Jennifer enjoys time with her husband and four sons.



Centerline Construction Company, Inc.
3200 Elm Ave.
Baltimore, MD 21211


410-889-4300