RICHARD ROTHWEILER, AIA
Senior Architect
Partner
rrothweiler@accoac.com
Richard Rothweiler has been with AC + Co since July of 1993. He became a partner in July of 2010 and has more than 35 years of architectural experience. He received his Bachelor of Architecture from University of Oregon in 1985 and began his work in the architectural field in California, returning a few years later to Oregon with his growing family. He has been project architect on many different types of projects including educational facilities, military facilities, residential, and commercial developments. Richard performs a major role in programming, space planning, project management, and construction administration, Developing Probable Opinion of Construction Costs and coordinating specification development. Richard has served the community on the Salem-Keizer School District’s Budget Committee, Superintendent Search Committee, Principal Interview Committee, Transportation Options Committee, and Music Educator Interview Committee. He also actively participates in the Salem-Keizer School District’s job shadow program as well as classroom and career day presentations. He has served 10 years as LSAC Chairman at Liberty Elementary School and 3 years at Judson Middle School. Richard has also served 3 years on the Site Development Committee at Sprague High School and was the President of the Sprague Orchestra Boosters for 10 years.
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LISA MANCE, IIDA, LEED AP
Senior Interior Designer
Partner
lmance@accoac.com
Lisa Mance is Vice President and Senior Interior Designer of AC + Co and has been with the firm since 1995. She graduated from Oregon State University with a Bachelor of Science in Interior Merchandising. She has a wide background in interior design, programming, and space planning, and has vast experience with many different types of facilities. Lisa is also well-accomplished in computer-aided design and drafting. She is a LEED v2 Accredited Professional, a Professional Member of the International Interior Design Association (IIDA), and has been National Council for Interior Design (NCIDQ) certified since 1999.
Lisa currently is involved with the Rotary Club of Salem and is a board member of the Chemeketa Foundation. She previously served as Vice President of the Board of Directors for the Dallas Chamber of Commerce and as President of the Dallas Chamber in 2010. Lisa’s previous philanthropic efforts include past membership of the Bond Oversight committee and the Facilities Committee for the Dallas School District. She is a graduate of Leadership Salem through the Salem Area Chamber of Commerce. In her free time, Lisa enjoys going to the Oregon Coast with her family and two golden retrievers.
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BLAKE BURAL, AIA, LEED AP
Senior Architect
Partner
bbural@accoac.com
Blake Bural became a Partner in January of 2014. He has been a registered licensed architect in the State of Oregon since 2012, and also holds a license in the State of Washington. Blake joined AC + Co, formerly Arbuckle Costic Architects, as an Architectural Intern in September of 2009 and is a LEED Accredited Professional. He attended Washington State University and received a Bachelor of Science Degree in Architectural Studies, as well as a Master of Architecture. Bural is a Leadership Salem graduate, class of 2012. Blake enjoys backpacking, camping all around Oregon, jet-setting abroad to unique destinations, and spending time with his wife and daughters.
RICHARD GABRIEL, AIA
Architect
rgabriel@accoac.com
Richard joined AC + Co in August of 2016. He brings 25 previous years experience covering all phases of architectural practice, working as Senior Architect, Project Manager, Senior Designer and/or on-site representative on projects large and small. Related industrial design (toys) led to experience in the consumer products industry, developing skills in management, finance, sales, marketing, production and international commerce. Management: Managed project teams up to 7 people + consultants, supervised architectural projects from interview through construction, ran a company with 25 employees, prepared business plans, negotiated with investors and banks, planned marketing strategy, made successful sales presentations.
Creative: Designed projects include housing, healthcare, K-12 education, commercial, industrial and institutional projects, a river-parkway, residences, an educational center to simulate life on Mars, and an award winning submission in international competition for design of the Pompidou Center in Paris, France. He also invented a creative building toy sold throughout the US and internationally, created marketing materials and designed a website.
Technical: Structurally-designed buildings, detailed and supervised construction documents for projects both complex (medical facilities, schools and fiber-optic cable stations) and straightforward (schools and residential), and has worked successfully with both DSA and OSHPD (California). He brings experience in manufacturing processes, including injection-molded & vacuum-formed plastic, metal fabrication and precast/prestressed concrete.
Mr. Gabriel adds a unique combination of management skill, creative capability, technical insight and life/business experience into every project.
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SARAH ROSE, AIA, LEED AP BD+C
Architect
srose@accoac.com
Sarah joined AC + Co in 2017. She graduated from Woodbury University San Diego in 2014, Cum Laude, with a Bachelor of Architecture. She then became a LEED Accredited Professional with credentials in the Building Design and Construction specialty in June 2014. Sarah was the creator and president of her school’s American Institute of Architecture Students (AIAS) chapter. She is now a member of the Salem AIA Chapter. Sarah obtained her License in Architecture in December of 2018 and is looking forward to growing with the company and establishing her career with AC + Co.
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KATHRYN CASEY, AIA, LEED AP BD+C
Architect
kcasey@accoac.com
Kathryn Casey joined AC + Co in 2021. She graduated from Washington State University with a Bachelor of Science Degree in Architectural Studies in 2006, as well as a Master of Architecture in 2008. She is a LEED accredited Professional and a Registered Architect in Oregon, Washington, and Texas. Kathryn has worked in several cities including Alexandria, VA, and El Paso, Texas. She has worked on a variety of project types including Multifamily both Private and Public, Military, and Educational. She is glad to be back on the west coast closer to family and enjoying the outdoors.
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MARIE JACOBSEN
Office Manager
mjacobsen@accoac.com
Marie Jacobsen has been the Office Manager for the firm since 2005. She was born and raised in Juneau, Alaska, moving to Oregon in 2001. Marie handles all bookkeeping, HR functions, and all other day-to-day office needs to keep the office running. Prior to joining AC + Co, Marie worked for several years as an Executive Assistant for the State of Oregon and the State of Alaska. Marie enjoys movies, wine, music, reading, traveling, hiking, fishing, camping, and watching football.
CHANDLER ARNSDORF
Architectural Intern
carnsdorf@accoac.com
Chandler Arnsdorf joined AC + Co in September 2022. He graduated from the University of Oregon in June 2022, Magna Cum Laude, with a Bachelor of Architecture Degree. During his college Education, Chandler found a strong interest in energy efficient building practices and became a Certified Passive House Consultant through the Passive House Institute US in the Spring of 2021. Going forward, Chandler plans on becoming a registered Architect in the state of Oregon. As a lifelong Oregonian, he considers himself an avid outdoor enthusiast spending much of his time outside of work backpacking, Fly fishing, gardening and watching his beloved Los Angeles Chargers in the fall.
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THERESA OLSZEWSKI COLE
Architectural Drafter
Theresa was born and raised in New Jersey. She joined the Army Reserves right out of high school, she has lived in Guam, Washington and Oregon. Theresa obtained an Associate’s Degree of Applied Science in Computer Automated Drafting from Polytechnic Institute. Theresa’s first drafting job was with Arbuckle Costic Architects (AKA, AC + Co!) in the 90’s, she rejoined our firm in May of 2022, and works remotely from her home in Pennsylvania. She has over 25 years of architectural and engineering drafting experience working on a wide variety of projects. She enjoys visiting wineries, going to concerts, comedy clubs, escape rooms, amusement parks and axe throwing.
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KRISTA COOK
Interior Design Intern
Krista Cook joined AC + Co Architecture in June 2022. She is currently in her second year of the Interior Design program at Oregon State University. In the spring of 2025, Krista will be graduating with a Bachelor of Science in Interior Design and a minor in Innovative Entrepreneurship. She is also involved with the Oregon State University IIDA chapter. Outside of full-time school and working part-time, Krista has a love for rock climbing, hiking, paddle boarding, camping, and spending time with her friends and family.
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