Profile & People

Line and Space, LLC was founded in 1978 in Tucson, Arizona to facilitate the design and building of environmentally sensitive architecture that respects and responds to existing site conditions. Our work is known internationally and has been recognized by our peers through the receipt of over 120 architectural and environmental design awards, including the American Institute of Architects (AIA) Committee on the Environment (2-time recipient), the AIA Western Mountain Region Firm of the Year, and the AIA Arizona Sustainable Firm of the Year.

We strive for quiet integration of structure and landscape – our projects encourage and demonstrate notions of sustainability and environmental stewardship. We are students of regional influences and favor the deeper meaning of entry sequence, scale, materials, color and form, all of which are important in successful architecture.

Our 12-person staff collaborates in a creative, free-flowing studio; and in addition to being architects, we are general contractors. Having built some of our projects gives us unique experience and invaluable knowledge of construction, allowing us to maximize architectural possibilities within budgetary constraints.

Our projects in the US and abroad introduce visitors to climate-specific architecture, water harvesting, gray water irrigation, photovoltaics, and the use of shade, humidity and air movement to temper outdoor space.


Henry Tom, AIA, NCARB

Henry has been an integral member of Line and Space since 1987 and has served as the firm’s Office/Project Manager since 1993. He is consistently successful in coordinating and melding a large contingent of owners, diverse users, designers, technical consultants and specialists, keeping all team members on track of project goals, budget and schedule. He organizes and helps facilitate our on-site programming workshops with various interested parties, to define project needs and build consensus with each project’s vision.

In addition to his superior management skills, Henry is an excellent designer and provides critical input for all of Line and Space’s projects. His recent designs include the adaptive use of the existing visitor center building at Red Rock Canyon and the San Diego National Wildlife Refuge Complex, which both anticipate LEED Gold Certification and include indoor and outdoor areas for world-class interpretation, classroom and education space, and exterior gathering and transition areas. In 2010 he was awarded the AIA Arizona Architect’s Medal, the highest honor given in the state for outstanding design achievement, and in 2001 he received the AIA Arizona Young Architect Citation.

An accomplished photographer, Henry’s work appears in a number of international publications. He has served as president of the Southern Arizona Chapter AIA and periodically reviews student projects at the University of Arizona College of Architecture and Landscape Architecture. Currently, he is a member of the City of Tucson Design Review Board, a council-appointed position.

Education: B. Architecture, University of Arizona 1989
Registration: Arizona Architect 1993 - also registered in Colorado, Idaho, Montana, Nevada, New Mexico, Oklahoma, Utah and Wyoming.


Bob Clements, AIA, LEED AP

One of the key designers at Line and Space, Bob has been a member of the firm since 1991. As a Project Architect, he has extensive experience in the production, coordination and quality review of Contract Documents and was heavily involved in the Arizona Sonora Desert Museum Restaurant and Gallery Complex, Slusser Memorial Library, San Pedro Riparian Visitor Center, and the Desert Learning Center and Wild Horse and Burro Complex in Red Rock Canyon, Nevada. He is currently working on Line and Space projects in various locations throughout China.

He has a strong construction background acting as Project Superintendent on Line and Space’s design/build projects, including the Arizona Sonora Desert Museum Restaurant and Gallery Complex and Campbell Cliffs, a multi-million dollar, 25,000 sf. custom residence integrated into the Santa Catalina Mountains of Tucson. In this role, Bob supervises and communicates with the project’s subcontractors, often working directly with them to improve details using innovative materials and construction methods which results in a cost effective, high quality project.

Bob balances excellent analytical skills with a very fine capacity for spatial visualization and communication. His strong graphics support our design workshops with the ability to do visual sketches and imagery. His knowledge and love of the outdoors is an invaluable asset to our office.

Education: B. Architecture, University of Arizona 1989
Registration: Arizona Architect 1993, LEED AP 2009


Johnny Birkinbine, AIA

Johnny’s involvement with Line and Space began in 1980 when his parents commissioned a desert greenhouse from the firm. Through high school and college he maintained contact with Line and Space and upon graduation from architecture school was recruited as an intern architect in 1994. Since then he has earned great respect from his colleagues for the careful attention and graphic sensibility he applies to the development and execution of every project. As a Project Architect, coordinating the production of the firm’s Construction Documents, Johnny holds his team to equally high standards for clear visual communication, thoroughness and accuracy.

Responsible for documenting and communicating everything from clients’ needs to meticulous construction details, Johnny takes responsibility for and pride in ensuring that tasks are carried out precisely. His efforts in this regard for the Cesar Chavez Regional Library, where he also served as Construction Administrator, have been recognized in the form of numerous National design awards since the building opened in 2007. He has completed construction document and administration work on the Red Rock Canyon Visitor Center near Las Vegas, Nevada and the San Diego National Wildlife Refuge Complex. His design for the Mojave Discovery Center received an award from the AIA Southern Arizona Chapter in 2009.

Johnny is a passionate architect and artist – his graphics, photography and paintings are consistently eye catching and thought provoking.

Education: B. Architecture, University of Arizona 1994
Registration: Arizona Architect 2004


Mike Anglin, AIA, LEED AP

A member of Line and Space since 2002, Mike quickly developed from intern to registered architect. His energy, analytical and language skills, in addition to his abilities ranging from site analysis and design to producing working drawings, help support our projects within the States and abroad. He has served as the Project Architect for the Hana House in Hawaii and has been a critical member of the project teams for the University of Arizona Poetry Center, the Cesar Chavez Library, the Red Rock Canyon Visitor Center, and our various projects in China.

A recipient of the 2016 AIA10 Young Architect Award from AIA Arizona, Mike also serves on the Board of Directors for AIA Southern Arizona, undertaking the Continuing Education program and the establishment of an AIA10 group for the Chapter with programs specifically developed by Mike to support and engage fellow emerging practitioners.

Mike has most recently taken on the role of lead design architect and project architect for the Pima Animal Care Center, a recipient of an AIA Southern Arizona citation award and currently under construction.

Education: B. Architecture, Summa Cum Laude, University of Arizona 2005
Registration: Arizona Architect 2009, LEED AP 2009, California Architect 2017


Les Wallach, Principal Emeritus

One of the nation’s leading designers, Les combines project-specific design creativity with a strong respect and understanding of the environment. He has 35 years of experience programming, master planning, and designing projects involving tempering microclimates to comfortably extend the usability of outdoor space, water harvesting, gray water reuse, energy conservation, and thoughtful transitions between exterior and interior. His care in understanding the individual sites of our projects, allows him to strengthen their designs while providing new construction that is sympathetic, complimentary, and of its time and place. His work has received over 85 design and environmental awards in addition to being featured in national and international publications.

Les sees a project as an interrelated whole rather than a series of parts and is able to develop solutions that simultaneously address multiple issues. He understands the importance of listening to clients and users, attributing to the success of Line and Space’s work. Gathering input from many different participants not only helps to establish goals, but most importantly, builds consensus and support for each project.

Les has served the community as past president of the AIA Southern Arizona Chapter, the Hillel Foundation Board of Directors and Civitas Sonoran (a Southern Arizona organization promoting sustainable design and responsible development). In addition to teaching periodically as a visiting critic, Les participates in reviews of student work at the University of Arizona College of Architecture and Landscape Architecture. He has lectured at conferences around the Nation and in several cities in South America and New Zealand.

Education: B.S. Mining Engineering 1967 and B. Architecture 1974, University of Arizona
Registration: Arizona Architect 1976, Hawaii Architect 2007, Arizona Contractor 1976


Manny Kropf, RA

A member of Line and Space since 1992, Manny’s technical knowledge of constructability and detailing makes him instrumental in producing our working drawings. He has extensive experience coordinating construction documents produced by teams involving many creative and technical disciplines and has completed documents for the San Diego National Wildlife Refuge Complex, the Mojave Discovery Center, the Red Rock Canyon Visitor Center, the National Historic Trails Interpretive Center, San Pedro Riparian Center and the Arizona Sonora Desert Museum Restaurant and Gallery Complex. His ability to find and identify construction issues during the shop drawing and submittal review process is invaluable.

In addition to being a licensed architect, Manny is an archaeologist and has worked on crews performing testing, excavation, recovery, mapping and recording. He also has experience as an Interpretive Park Ranger at Glen Canyon National Recreation Area in Utah.

Education: M.S. Quaternary Science, Northern Arizona University 2005, B. Architecture, City College of New York 1980
Registration: Arizona Architect, New York Architect


Ray Jin, LEED AP

With his remarkable design capability and artistic talent, Ray has been integral to Line and Space since 2003. He has worked many projects in our office including the Cesar Chavez Library, the University of Arizona Poetry Center, the Red Rock Canyon Visitor Center, Mojave Discovery Center and the San Diego National Wildlife Refuge Complex. His ability to communicate through hand drawing and computer rendering allows our clients to easily visualize and understand the design intent of their projects. Ray continuously supports our projects in China and has recently completed the design for the entry gate house at the private Tainqin Bay Villas.

Education: M. Architecture, University of Arizona 2003, B. Architecture, Beijing Institute of Civil Engineering and Architecture 1998
Registration: LEED AP 2009


John McColgin

Since 2008 John has been heavily involved with Line and Space's projects in China. He graduated from the University of Arizona in 1991, and has extensive architectural experience, working with firms in Washington D.C. and in Boston prior to joining Line & Space. His understanding of codes and building systems has proved invaluable to the firm's work in China as he helps develop and coordinate construction drawings and details. He has worked on the Cascading Residences and Harmony and Balance in Tianquin Bay, the Wujiatang Neighborhood Center in Kunming, and the Liang Jiang Golf Club in Chongqing.


Education: B. Architecture, University of Arizona, 1991


Jared Logue

Jared joined Line and Space in 2008 as an intern while enrolled at the University of Arizona. Since his graduation from the College of Architecture in 2010, Jared has obtained his professional license and has been crucial in supporting the firm's project teams for Amphitheater Unified School District's Rio Vista Elementary School, U of A Worlds of Words, and China projects, including the Wujiatang Sales Office and Neighborhood Center. Jared's many talents include expertise in Revit and 3-D modeling, where he generates incredible photo-realistic renderings of the office's projects. 

Education: B. Architecture, University of Arizona, 2010
Registration: Arizona Architect 2016



 Brian Carstensen

Brian joined Line and Space in 2016 and has quickly made himself an integral member of our team, playing crucial roles in both the construction document and construction administration phases of the Pima Animal Care Center. Brian’s comprehensive knowledge of Autodesk and computer operating systems has made him the go-to guy for in-house software/hardware issues, making him an invaluable asset to our firm.

Education: B. Architecture, University of Arizona 2013


Alex Mayer

Alex graduated at the top of his class from the University of Arizona College of Architecture in 2016. His previous design-build experience coordinating design and construction methodologies with an international engineering team for an experimental shade pavilion on the University of Arizona campus informs his work for Line and Space developing construction documents for a variety of projects. In addition to his proficiency in digital design tools, including BIM and parametric modeling programs, Alex enjoys building physical models for our projects, most recently the Flowing Well Library Addition, currently under construction.

Education: B. Architecture, University of Arizona 2016


Katie Roch

Since graduating from the University of Arizona College of Architecture in 2016, Katie has shown herself to be a key new member of Line and Space, possessing organizational and analytical skills that have made her a great asset in the predesign and programming phases of various projects. Katie joined our team with prior experience working with stakeholders and is continuing to play an active role on several ongoing local, state, and GSA projects.

Education: B. Architecture, University of Arizona 2016


Dominick Abbott 

Dominick joined Line and Space in 2016 as an intern while enrolled at the University of Arizona. A recent graduate from the College of Architecture, Dominick has continued working for Line and Space, helping primarily with the development of photo-realistic renderings, graphics and diagrams for various office projects. Dominick is also involved in marketing and has helped compose press releases and publication packets, as well as maintain our office website and social media pages.

Education: B. Architecture, University of Arizona 2017


Miranda Stevens

A fifth year undergraduate in the University of Arizona College of Architecture, Miranda currently interns at Line and Space, using her ability to produce compelling graphics to assist with creating marketing and competition material.   

Education: Architecture Undergraduate at the University of Arizona