LOISOS + UBBELOHDE : Architecture . Energy  
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George Loisos


Firm members hold advanced professional degrees in architecture and are LEED Accredited Professionals. As a firm we combine significant experience in high-end international commercial and institutional design, Northern California residential design, and management of large Bay Area office building and campus design projects.  Our expertise is in low-energy and lighting research, software development, advanced computer simulations, and educating both students and professionals.


    George Loisos   GEORGE LOISOS, AIA, LEED AP
George Loisos founded L+U with Susan to create an office of unconventional practice that brings research methods to the practice of high-performance integrated design.  George is a licensed architect in the state of California, educated in Oxford and Plymouth Polytechnic in England and the University of Oregon and Tulane University in the US. George brings extensive architectural design and research experience to the firm. After 17 years as a project architect, George shifted his focus to research that addressed significant issues in the practice of high-performance design.George lead research programs in building energy use at the University of California, San Diego, and the University of Minnesota and served as the architectural program coordinator for the PG&E Pacific Energy Center, directing groundbreaking projects in daylighting design and productivity. As project manager and research lead for the California Energy Commission, he coordinated research and product development on energy efficient lighting and lighting controls. His passion for astronomy and telescopes has led to the design and fabrication installation of light sculptures involving telescopes, beamed sunlight and live solar images on both coasts of the US.



Susan Ubbelohde founded L+U with George to create an office of unconventional practice that brings research methods to the practice of high-performance integrated design. She has degrees from Oberlin College in Urban Studies and the University of Michigan and the University of Oregon in Architecture.  She is also a Professor of Architecture and Associate Dean of the College of Environmental Designat University of California, Berkeleywhere she teaches design studios and courses on design theory, daylighting and sustainable performance. Susan was the recipient of an Indo-American Fellowship through CIES/Fulbright for research in Ahmedabad, India and has been a visiting professor for the ISTHMUS School of Architecture in Panama and the Tokyo Institute of Technology. In addition to the practice of L+U, she has directed research on daylighting design, daylighting software, climate responsive design and monitored building performancefor the Department of Energy, the National Science Foundation, the University of California Energy Institute, the California Institute for Energy Efficiency. With a history of many publications, Susan has served on three decades of conference and publication review boards,professional design award juries, and has delivered keynotes and invited lectures internationally. 







Michael Beggs
Michael holds a Master of Architecture from the University of California, Berkeley and a Bachelor of Arts from Hampshire College. At Loisos and Ubbelohde, Michael specializes in daylight and electric lighting simulation, covering a variety of building types including museums, offices, and historic buildings. He also works on research projects about the simulation of diffusing, reflective, and angularly-selective materials. Michael has taught classes about buildings and the environment, architecture and cinema, and color at UC Berkeley. His academic research interests include architecture in rural America, color, modernism and anxiety, and architecture and cinema. As an expert on Josef Albers, the Bauhaus, and Black Mountain College, Michael has led workshops and given lectures at The Bauhaus Dessau, The Black Mountain College Museum + Arts Center, and the Exploratorium. His writing has appeared in books, journals, websites, and exhibition catalogues including Leap Before You Look: Black Mountain College 1933-1957 (Yale University Press, 2015) and Josef Albers: Interaction (Yale University Press, 2018).



Thomas Burnham
Nathan is a LEED Accredited Professional and ASHRAE certified Building Energy Modeling Professional with a Master of Architecture and a Master of Science in Architecture from the University of California, Berkeley and an undergraduate degree from Yale University.  As an Associate at Loisos + Ubbelohde, he brings expertise in thermal comfort and energy analysis, sensor network deployment, field assessment of existing building performance, and calibrated simulation. Nathan's passion for data visualization as a tool to reveal patterns and develop deeper understanding informs his work from building performance dashboard design to building performance assessment.  His previous work experience includes developing data visualizations using script-generated graphics for the Center for the Built Environment.  Nathan is Adjunct Professor of Architecture at California College of the Arts and Lecturer at the University of California, Berkeley.



Alan Demarche
Alan holds a Master of Architecture and a Bachelor’s of Arts in Architecture from the University of California, Berkeley. He has taught courses in Structures, Design Fundamentals and Graphic Representation, as well as workshops on physical and digital modeling at UC Berkeley. As an associate at Loisos + Ubbelohde, Alan specializes in daylighting and electric lighting simulations, ranging from full-building annual daylighting performance to point-in-time daylight and electric lighting integration imagery to balance fixture specifications with the daylighting performance of the architecture. He has also worked on projects simulating exterior building reflections, from glare to convergence issues, and calibrates simulation materials to material samples and HDR photographs taken onsite. Working in the office's fabrication shop Alan has streamlined CNC operations. Alan’s personal and academic interests examine traditional notions of architecture, such as regional vernacular, spaces of ritual, and monumentality, through the lenses of contemporary issues and new technology which he explores through architectural design, sculpture, painting and various print and digital media. His work has received the 2012 Berkeley Circus Honor Award and was published in Paradigms in Computing: Making, Machines, and Models for Design Agency in Architecture.



As Office Manager, Susan provides office support for the company.  She develops and maintains the library, the mailing list, the catalog of firm publications and captures and reports on company and employee data. Special projects include coordinating office Christmas parties, sourcing after-market parts for equipment in the fabrication shop, reupholstering a dozen chairs and starting the patio succulent and orchid garden. Susan studied painting and sculpture at California College of the Arts and continues to work as an artist.



Sangjin Joung
Sangjin holds a Bachelor's of Art in Architecture from the University of California, Berkeley with honors and an Associate of Arts in Fine Arts from Saddleback College with Honors of Magna Cum Laude. He has tutored from algebra to calculus at Saddleback College and Energy and Environment course at UC Berkeley. Also, He has been nominated for four academic and leadership awards, R2A Architecture Scholarship, Fred Hassouna Architecture Endowed Scholarship, and Angles for the Arts Scholarship while he was in college. As an Architectural Energy Modeler at Loisos + Ubbelohde, Sangjin specializes in energy modeling, daylighting and electric lighting simulations. He has also worked on projects simulating exterior building reflections, shadow module studies, and workstation glare and veiling reflection issues. Sangjin’s personal and academic interests focuses on architectural design response to the complexity of a context at a community level to achieve quality space and environment for human activities considering physical conditions, such as available natural resources and daylight conditions, but also taking into account possible cultural shifts and humanitarian design impacts. His fine art works were exhibited at Saddleback College Art Gallery. In addition to that, one of his architecture projects was on the annual event from College of Environmental Design at UC Berkeley, called "Circus," and two of his architecture studio works were published on the 2017 Berkeley Undergraduate Student Workbook.



Brendon Levitt
Brendon is a licensed architect and holds architecture degrees from Yale University and UC Berkeley. He has been an associate at L+U since 2005 and has served as designer, analyst, and project manager for over 120 buildings in 15 countries.  Brendon has expertise in electric lighting and daylighting, advanced building envelopes, thermal comfort and energy use, life cycle analysis, and data visualization.  Working with research-grade simulation tools such as Radiance, EnergyPlus, and Therm, Brendon has contributed to cutting-edge research on high-performance buildings.  In parallel, Brendon is an Associate Professor at California College of the Arts where he has been teaching courses on sustainable design and building technology since 2006.  As an academic, he writes and lectures on the synthesis of contemporary culture, sensory perception, and new technology.  He has received numerous awards for architectural design and scholarship including Fulbright, Luce and Branner Fellowships.  He has also worked with prominent architects around the world, most notably the Pritzker Prize Laureate, Fumihiko Maki.  During four years working in Tokyo, Brendon's projects included the New York Headquarters of the United Nations, the MIT Media Lab, and the Center for the Arts at Washington University in Saint Louis.



Jacqueline Lin
Jacqueline holds a Bachelor of Arts in architecture from the University of California, Berkeley. At Loisos + Ubbelohde, her work as an architectural designer takes in a variety of project scales at all phases of design. Her approach to design features a high level of attention to aesthetics, human-comfort, daylighting, and energy efficiency. Before joining Loisos + Ubbelohde, Jacqueline worked at ELS Architecture and Urban Design and Turnbull Griffin Haesloop Architects. At UC Berkeley, Jacqueline led the AIAS chapter as president and conducted a seminar discussing visiting architects from the CED lecture series. Upon graduating, she received the Alpha Rho Chi Medal for her leadership and service to the school. Her design work has received the UC Berkeley Circus Honor Award in 2013 and Recognition in 2014. Jacqueline is a candidate for a Master of Architecture degree at the University of California, Berkeley.   



Santosh Philip
Santosh is a software specialist, LEED Accredited Professional, and ASHRAE certified Building Energy Modeling Professional with degrees from the Center of Environmental Planning and Technology, in Ahmedabad, India, and the University of Minnesota.  Santosh designs climate-responsive residential and commercial buildings at Loisos + Ubbelohde.  Previously Santosh designed climate-responsive residences, college campuses and commercial and manufacturing facilities in western India. His energy research activities include developing a daylighting software package, updating energy software used to qualify buildings under California Energy Code Title 24, and developing a graphic interface with energy simulation software packages. He is the author of proprietary software programs that allow detailed energy simulations of complex buildings. Previously Santosh worked as the Vice President of Product Development at Materion, Inc., and the Interim Vice President and Product Manager at Qool.com.  Santosh has received the Gold Medal from the Gujarat Institute of Architects.



Eduardo Pintos Perez
Eduardo is an architectural designer and energy modeler specialized in lighting and daylighting design and simulation at Loisos + Ubbelohde. Trained in architecture in Spain and Switzerland, he holds a Master of Architecture degree from the University of California, Berkeley and a Professional Degree in Architecture from the University of the Basque Country (Spain), where he is a licensed architect. Eduardo has taught classes at UC Berkeley in introduction to Architecture, graphic representation and media techniques. Eduardo's interest focuses on high performance facades, building technology and energy efficiency in buildings. His previous work experience in Spain includes all project phases from concept design to construction development and on-site monitoring. His graphic design is also featured in presentations for competitions, exhibitions, and client meetings at Loisos + Ubbelohde. Eduardo blends his software skills in lighting simulation tools, including Radiance and AGi32, with his design perspective as a daylighting and lighting consultant. He previously won second prize in an international competition for a vertical zoo in Buenos Aires, Argentina.



Ibone Santiago Trojaola
Ibone brings a unique perspective to her work as project manager and architectural modeler at Loisos + Ubbelohde, focusing on energy and thermal comfort analysis and visual representations of simulation results. She is proficient in diverse software tools including EnergyPlus and has extensive expertise in climate-responsive architecture, design for thermal and visual comfort, high performance façade optimization and advanced energy and HVAC systems. She understands the large-scale issues of urban contexts, the detail involved in construction phases, and the specifics of energy-efficient performance involved in building design. She has won several awards, including the AIA Henry Adams Medal of merit from UC Berkeley in 2009 and other international design competition prizes. Ibone is a licensed architect in Spain and a LEED Accredited Professional. Trained as an architect in several different countries in Europe and in the United States, she holds Master of Architecture degrees both from the University of California, Berkeley and the University of Geneva (Switzerland), and a professional degree in architecture from the University of the Basque Country (Spain).



Abe Shameson
Abe is a registered architect in the state of California and a lighting designer LC certified by the NCQLP with a Master of Architecture degree and a Bachelor of Arts degree in architecture from the University of California, Berkeley.  At Loisos + Ubbelohde, Abe is an architectural designer, a project manager for daylighting and sustainability consulting, and a lighting designer for a variety of institutional, government, and residential buildings.  Before joining Loisos + Ubbelohde, Abe worked as a designer for Handel Architects.  His specialty was designing primarily high-end single family residences in locations such as San Francisco, Atherton, and the Carmel Highlands.  As a sole practitioner for Abe Shameson Design, he designed a desert residence with passive strategies for thermal comfort near El Paso, Texas.  He also holds a patent on a three dimensional puzzle.



Abe Shameson

Chloe holds a Bachelor of Arts in Architecture from the University of Cailfornia - Berkeley. At her time in UC Berkeley, she has been the President of APX, and has been involved in several campus organizations. She has done volunteer projects, building homes in Honduras, and installing solar panels in Richmond and Oakland. As well, at the Reykjavik University in Iceland, she has researched and designed for building a net-zero hostel completely running on geothermal energy. Before joining Loisos and Ubbelohde, she has worked with architecture firms including Ballymore in London, EDG in Singapore, GUD in Vancouver, as well as V21A and BKD in the Bay area. Her past student projects were featured in Berkeley's Circus 2019, and a faculty selected gallery exhibition in Fall 2019. Additionally, she has received the Sandy Hirshin prize and scholarship 2019 for practicing socially responsible architecture.



Photographs by Sangjin Joung