Our Professional Team
Raymond E. Streib, P.E., Chairman
Raymond E. Streib, P.E. founded Development Facilitators, Inc. (DFI) in 1978, and is currently the Chairman of the Board. He performs Quality Assurance/Quality Control (QA/QC) oversight on multiple agency contract assignments and tasks. Ray is a Registered Professional Engineer who received a Bachelor’s Degree in Civil Engineering from the University of Maryland. With over 44 years of experience in construction, project management, inspection, engineering, and highway/traffic design, Ray continues to lead DFI with his invaluable skill set.
Ray’s work does not begin and end in the office, as he has dedicated a large part of his life towards contributing to others and charitable organizations. Ray is a life member of American Society of Civil Engineers (ASCE), and was past President in 2012-2013. He is also the Co-Chairman of the ASCE Indoor Golf event that raises over $250,000 and provides scholarships for the University of Maryland, Morgan State, and Johns Hopkins. He has been a Rotary member for over 35 years. A full list of Ray’s affiliations can be found on the Community Outreach page.
Over the course of his career as a result of his generosity and hard work, Ray has received many awards, such as NAACCC Educational Excellence Special Achievement Award, Glen Burnie Rotary Service Above Self Award, NAACCC Citizen of the Year Award, and Anne Arundel County/HBAM Award of Excellence.
Dan J. Chavis, President
Dan has over 25 years of experience with a solid background in the engineering, mechanical, and technical fields. Specific skills included project management, contractor relations and negotiations, business development, bid/quote generation, performance evaluation, account management, technical support and contractor assessment. Dan joined DFI in 2004 as a Senior Construction Management and Inspection Supervisor. By 2007 he became Vice President and kept this role until 2011 when he became President. Dan has a Bachelor’s Degree in Geography and City/ Urban/ Regional Planning from Salisbury State University. He is associate member of ACEC Maryland, MAE, and ASCE.
Outside of DFI, Dan enjoys spending time with his family. You will usually find him spectating at one of his two boys’ high school games. Dan is also an avid mountain bike rider and a Volunteer Ranger with the Maryland Park Service.
Steven T. Andraka, P.E., Vice President of Design and Engineering
Steve earned his Bachelor’s degree in Civil Engineering at West Virginia University in 1986 and began his employment at DFI as a Design Engineer immediately after graduation. He was promoted to Vice President of the Design Division upon earning his Maryland Professional Engineering License in 1991. He is also licensed in Delaware. Steve developed a strong interest in the building industry even before going to college. He started his own deck building and home improvement company by the time he was 16, which provided him a true hands-on business experience and background to visualizing and solving engineering problems.
In his leisure time, Steve enjoys being with his wife and two sons white water kayaking and mountain biking. He enjoys teaching others about engineering and has made annual presentations at the Maryland Quality Initiative (MDQI) Civil Engineering Expo. Steve has also organized a booth and made presentations to middle and high school students on low head dam safety at the National Science and Engineering Expo, mentored students for the Maryland Engineering Challenge and oversaw the Civil Engineering Club at North County High School located in Anne Arundel County. Steve also serves on the Science Advisory Board for Anne Arundel County Public Schools.
David Wissmann, CCM, Director of Construction Management and Inspection Services
Dave has over 28 years of construction and engineering knowledge. He has diversified knowledge in utility, pavement maintenance, environmental, land development, recreation and parks, and building projects. His experience began with the US Army Corp of Engineers serving with the 101st Airborne Division. He is a combat veteran having served proudly during Operation Desert Storm. He began working for DFI in 1997 and is currently the Director of Construction Management and Inspection Services. He is a Certified Construction Manager by the Construction Manager Certification Institute. Dave received the CMAA 2013 Project Achievement Award for the Marley Fire Station 18 project, and has been a featured speaker at multiple venues to present ideas on performing and improving constructability reviews.
Outside of DFI you would find Dave engaging in family activities with his three sons and wife. Dave is also active in Boy Scouts as an adult leader, Military support groups, and multiple church based activities.
Mark Wedemeyer, Director of Design Services
Mark began his career with DFI in 1989 immediately after receiving his Bachelor’s Degree in Geography with a concentration in City, Urban, Community & Regional Planning from Salisbury State University. In 1994 Mark became employed with the Anne Arundel County Office of Planning & Zoning for seven years working as a Planning Administrator in the Development Division. His work there involved oversight of a regional planning and engineering team responsible for the review and approval of residential, commercial and industrial development projects and permits. From there Mark spent a couple of years working in the private sector working on land development projects located in Anne Arundel, Baltimore, Cecil, Harford and Prince Georges Counties. Mark then rejoined DFI in 2002 bringing a wealth of knowledge to our Design Division given his well-rounded past land development experience. Mark is currently on the Board of Directors with the Anne Arundel County Chapter of the Maryland Building Industry Association.
On his own time Mark enjoys spending time with his wife and two sons. He has volunteered countless hours assisting in his community’s local recreational programs as well with his sons’ high school programs. In addition he has served as Vice President on his Homeowners Association, mainly to assist with maintenance and budget matters associated with the community’s stormwater management facilities.