Owners

Thomas W. Carlson, P.E., R.P.L.S

Chief Executive Officer

Mr. Carlson began his engineering career at Metcalfe Engineering Company in Austin in 1973 and Hale & Associates in Austin in 1975. He became Vice President at Hale &Associates in charge of subdivision development.

In 1977 Tommy co-founded Carlson & Dippel, Inc. of Austin, Texas, a Civil Engineering and Surveying firm that employed over 200 people, including 20 engineers.

In 1986, Tommy co-founded Carlson Engineering & Associates, inc., and in 1998, the firm became Carlson, Brigance & Doering, Inc.

Tommy has over 35 years of experience as a Civil Engineer and Land Surveyor in Texas. He has extensive experience in managing the operation of a civil engineering and surveying company, along with business development and client relations.

Tommy is a licensed Professional Engineer and a Registered Professional Land Surveyor in the State of Texas. He received a Bachelor of Science in Civil Engineering from the University of Texas at Austin, in 1973.

Charles R. Brigance, Jr., P.E.

President

Mr. Brigance began his engineering career in 1983 as a Staff Engineer/Design Engineer with Jeryl Hart Engineers in Austin, Texas. Charles joined Carlson Engineering & Associates in 1986 as a Design Engineer and Project Manager. He became a co-owner and principal in 1991, and assumed the position of President of the firm.

Charles has over 25 years of civil engineering experience, including design of water and wastewater systems, drainage facilities/ structures, flood control ponds, water quality ponds, grading and erosion control plans, traffic control plans, and land planning.

Mr. Brigance manages the planning, design, permitting and construction of civil infrastructure in the general Austin area totaling $10 to 20 million annually.

He currently works in every phase of civil engineering work completed by the firm, from design to management, staff training and development, client relations, and business development.

Charles is a licensed Professional Engineer in the State of Texas. He received a Bachelor of Science in Civil Engineering from the University of Texas at Austin in 1983.

Danny D. Doering

Executive Vice President

Mr. Doering began his engineering career at Hale & Associates of Austin in 1970, becoming Director of Construction Management in 1974, and then at Provident Development Co. of Austin in 1976 as Project Manager.

Danny joined Carlson & Dippel, Inc. of Austin in 1981. His responsibilities included the management of all areas of the firm, with particular attention to construction administration of over $95 million of construction work.

In 1986, Danny co-founded Carlson Engineering & Associates, which became Carlson Brigance & Doering, inc. in 1998. Mr. Doering is currently Executive Vice President of the firm in charge of all aspects of construction and contract administration of projects, and coordinating with appropriate governmental agencies.

Danny attended Texas Tech University, majoring in Finance.

Brett R. Pasquarella, P.E.

Owner

Mr. Pasquarella began his civil engineering career in 1991 as a 2nd Lieutenant in the U.S. Army Corp of Engineers in Fort Leonard Wood Missouri and Fort Belvoir, Virginia. In 1994 Brett was employed by the City of Austin as a Plan Reviewer in the Engineering section of Watershed Protection and Development review.

Brett joined Carlson, Brigance & Doering in 1996, received his P.E. in 1999, and became a Vice President of the firm in 2006, and became a partner in 2014. Brett is responsible for subdivision design including streets, drainage, erosion control, water, wastewater detention, and water quality. He oversees plan processing through various entities such as cities, counties, TCEQ, TXDOT and FEMA. Additionally, he has a supervisory role for E.I.T.’s and drafting technicians.

Brett is a licensed Professional Engineer in the State of Texas. He received a Bachelor of Science in Civil Engineering from Union College in Schenectady, NY in 1991.

Douglas R. Rummel, Jr., P.E., R.P.L.S.

Owner

Mr. Rummel began the surveying aspect of his career in 1992 when he joined Carlson Engineering & Associates Inc. In 1999 Douglas became an Engineer-in-Training and Surveyor-in-Training. He was responsible for design, proceedings and inspection of single-family residential developments from the initial boundary survey of the tract to the final site construction.

Douglas received his R.P.L.S. in 2003 and became a Project Manager. As a design engineer and R.P.L.S. he was responsible for design, processing and inspection of single-family residential developments, survey project management, and supervising survey staff.

In 2006, Douglas received his P.E. was promoted to Vice President of the firm, and in 2014 became a partner. And as a partner oversees all facets of business.

Douglas is a licensed Professional Engineer and a Registered Professional Land Surveyor in the State of Texas. He received a Bachelor of Science in Water Resources from Tarleton State University in Stephenville, Texas, in 1999.

Aaron V. Thomason, R.P.L.S.

Owner

Mr. Thomason attended college at Tarleton State University in Stephenville, Texas from 1996-1999 and graduated with a Bachelor of Science degree. After graduation Mr. Thomason was employed with Carlson, Brigance & Doering from 1999-2001 on a field surveying crew.

From October 2001 to September 2005 Mr. Thomason was enlisted in the United States Army as an Airborne Infantry Team Leader: Non-Commissioned Officer.

Upon leaving service Mr. Thomason returned to Carlson, Brigance & Doering and passed the Registered Professional Land Surveyor exam in 2010, and became partner in 2014. Mr. Thomason oversees and manages the survey department of the firm.