Baylor College of Medicine, Houston, TX: “At the Intersection of Time and Space: A Temporal Cartography of Cities, Sites and Events.” In Tropical Medicine Seminar Series, Nov. 23, 2020.

Rice University, Baker Institute for Public Policy, Houston, TX: “At the Intersection of Time and Space: A Temporal Cartography of Cities, Sites and Events.” In Baker Institute Webinar Series, Jul. 21, 2020.

Association for Preservation Technology, 2019, Miami, FL: “The International and Permanent Lebanon Fair Project in Tripoli and its Brasilia Antecedents in the Work of Oscar Niemeyer.” In Plenary Session 3: Conservation of Modern Heritage Across the Americas, Nov. 22, 2019.

Rice University, Moody Center for the Arts, Houston, TX: "Temporal Cartography and the Visualization of Diverse Data" in Visual Communication Symposium, March 2, 2019.

Académie Libanaise des Beaux-Arts, Beirut, Lebanon: "The Park and the Highway: Lucio Costa's 1957 Brasilia Pilot Plan," in lecture series, December 14, 2018

Sursock Museum, Beirut, Lebanon: "The International and Permanent Lebanon Fair Project and its Antecedents in the Work of Oscar Niemeyer," in Oscar Niemeyer’s Fair in Tripoli: A Modern Legacy in Danger panel (w/ Bernard Khoury), September 27, 2018.

Rice University, Moody Center for the Arts, Houston, TX: "Data, the Campus, and the City: Diachronic Mapping and Houston," in Spatial Humanities Lecture Series, May 1, 2018.

Fundação Getúlio Vargas, Rio de Janeiro, Brazil: "O georreferenciamento de fotografias do Instituto Moreira Salles na plataforma imagineRio" (w/ Bruno Buccalon, Sergio Burgi, Rodrigo Bozzetti, Alida Metcalf), in I Congresso Internacional em Humanidades Digitais, April 12, 2018.

John F. Kennedy Center for the Performing Arts, Washington, DC: "diverseLevant: A Diachronic and Iconographic Atlas of Coexistence." in the 1st New Levant Initiative Conference, March 1, 2018. [video]

Instituto de Estudos Avançados, USP, São Paulo, Brazil: "Imaginários Cronotópicos e as Humanidades Espaciais: Um Projeto," in lecture series, June 2, 2017.

Museum of Fine Arts, Houston, TX: "In Plain Sight: How the Antiquities Collection of the Beirut National Museum Survived the Lebanese Civil War," in Art of Islamic Worlds special event, October 25, 2016.

Rice University, Houston, TX: "imagineRio: A Diachronic Atlas of the Social and Architectural Evolution of Rio de Janeiro" [w/ Alida Metcalf], in the 5th annual Digital Frontiers conference and THATCamp, September 22, 2016. [video]

Instituto Moreira Salles and House of Switzerland Brazil 2016, Rio de Janeiro, Brazil: "Imaginários Cronotópicos e Sistemas geográficos de informação: a plataforma imagineRio da Universidade de Rice," in Fotografia e memória urbana: georreferenciamento de fotografias históricas, September 2, 2016.

Rice University, Scientia Institute, Houston, TX: "Elements of imagineRio," in Modeling and Mapping Historic Sites and Events, April 9, 2016.

Instituto Itaú Cultural, São Paulo, Brazil: "Platforms of Knowledge," in Curso de Especialização em Gestão e Políticas Culturais, February 26-27, 2016. [video]

Ken Kennedy Institute for Information Technology, Houston, TX: "Platforms of Knowledge: Structures and their Semantic Supplements," in K2I Member Luncheon presentations series, Houston, TX, December 4, 2015.

Houston Philosophical Society, Houston, TX: "ImagineRio: A Diachronic and Iconographic Atlas of Rio de Janeiro's Social and Architectural Evolution" (w/ Alida Metcalf), in lecture series, Houston, TX, November 19, 2015.

Centro de Convenções Sulamérica, Rio de Janeiro, Brazil: "ImagineRio: A Diachronic Atlas of Rio de Janeiro's Social and Architectural Evolution" (w/ Jean Aroom, David Heyman, and Alida Metcalf), in 16th General Assembly of the 27th International Cartographic Conference, Rio de Janeiro. August 28, 2015.

Cámara de Representantes, Provincia de Misiones, Argentina: "Estudios territoriales a través de la cartografía, la iconografía y las técnicas digitales," in Workshop II: Territorio Guaraní, June 5, 2015.

Museum of Fine Arts, Houston, TX: "Art, Research and the Digital Revolution: A Conversation with James Cuno," in ICAA’s Ideas Council inaugural conference: Between Private Passions and Public Responsibility, March 8, 2015.

Escola da Cidade, São Paulo, Brazil: "Humanidades Públicas e Computacionais: Lugar e Espaço," in Arquitetura, Educação e Sociedade, December 3, 2014. [video]

Princeton University, School of Architecture, Princeton, NJ: "Lucio Costa's 1957 Brasilia Pilot Plan," in The Princeton-Mellon Architecture, Urbanism and Humanities Initiative, April 24, 2014.

Harvard University, Graduate School of Design, Cambridge, MA: "imagineRio (1502-2016): A Diachronic Atlas of Rio de Janeiro," in Territorio Guarani: Culture, infrastructure and natural resources in the longue durée, April 11, 2014.

Itaú Cultural, São Paulo, Brazil: "Oscar em Nova York: Internalização e Pedagogia," in Oscar Niemeyer; um Seminário, December 13, 2013.

Harvard University, Graduate School of Design, Cambridge, MA: "Four Resilient Images of Brazil: Parrots, Hammocks, Cannibals, and Logs; Outpost and Compact City: Lodged Between Peaks and Bay; Inadequate and Marvelous City: A King, Two Emperors, and a Republic; Divided and Iconic City: Monument, Meander, and Favela," in Cities by Design: Rio de Janeiro, October 17, 22, 24, 29, 2013.

Centro Carioca de Design. Rio de Janeiro, Brazil: "imagineRio: A Diachonic Atlas of Rio de Janeiro's Social and Architectural Evolution" (w/ Verena Andreatta and Alida Metcalf), in New Cartographies: International Symposium, June 5, 2013.

Rice University, Scientia Institute, Houston, TX: "The Villain," in The Power of Ideas, March 12, 2013.

Harvard University, Graduate School of Design, Cambridge, MA: "Land of Parrots, Posts, Hammocks, and Cannibals (1502-1565); Lodged Between Peaks and Bay (1565-1807); Inadequate City (1808-1906); The Monument and the Meander (1906-2016)," in Cities by Design: Rio de Janeiro, February 5, 7, 12, 14, 2013.

Rice University, Chao Center for Asian Studies, Houston, TX: "The Consequences of Ephemera: Unbuilt Projects and Ideas they Left Behind," in Defining Ephemera, December 9, 2012.

Harvard University, David Rockefeller Center for Latin American Studies, Cambridge, MA: "Anthropophagy and Modern Architecture in Brazil," in Brazil Studies Program Seminar Series, November, 3, 2011.

Massachusetts Institute of Technology, Department of Architecture, Cambridge, MA: "Ideal Cities in the Tropics: Lucio Costa's 1957 Pilot Plan for Brasilia," in public lecture series, Department of Architecture, December 1, 2011.

University of Houston, Gerald D. Hines College of Architecture, Houston, TX: "Brasilia: A City Imagined in Text," in Concrete Utopias symposium, February 18, 2011.

University of Texas, School of Architecture, Austin TX: "Brazil's Holy Architectural Trinity: Lucio Costa, Oscar Niemeyer, and Roberto Burle Marx," in Brasilia Turns 50, public lecture series, Austin, TX. September 27, 2010. [video]

Centro Universitário Ritter dos Reis, Faculdade de Arquitetura e Urbanismo, Porto Alegre, Brazil: "Brasília, a cidade que veio do mar," in Aula Magna, August 9, 2010.

Conjunto Cultural da República, Museu Nacional, Brasilia, Brazil: "Lucio Costa o antropófago," in Seminário Lucio Costa-Arquiteto, July 28, 2010.

Centro de Convenções Meliá 2, Brasilia, Brazil: "Theorist, Preservationist, and Architect: Lucio Costa the Cannibalist," in ​10th International Congress of the Brazilian Studies Association. July 22, 2010.

Harvard University, David Rockefeller Center for Latin American Studies, Cambridge, MA: "Occupying the Void: Royal, Imperial, and Republican Narratives in the Quest for a Capital in Brazil," in Conversa Lecture Series, April 22, 2010.

Rice University, School of Architecture, Houston, TX: "The Cosmopolitanism of Brazilian Modernity," in Everything Must Move Symposium, March 21, 2009.

Rice University, School of Architecture, Houston, TX: "The arkheBrasil Database," in The Digital Library and the Archives of Latin American Artists and Architects Workshop, March 11, 2009.

University of Toronto, John H. Daniels Faculty of Architecture, Landscape, and Design, Toronto, Canada: "Oscar 101: Architecture and its Meanders," in lecture series, November 25, 2010.

University of Puerto Rico, Escuela de Arquitectura, San Juan, PR: "Oscar 101: Architecture and its Meanders." In lecture series, December 3, 2008.

Office de Tourisme du Havre, Département Congrès, Le Havre, France: "L'Histoire de Brasilia." In Cities, symbols of the XXth Century: Brasilia – Chandigarh – Le Havre – Tel-­Aviv, September 14, 2007.

Harvard University, Graduate School of Design, Cambridge, MA: "Oscar 100: Architecture and its Meanders." In Department of Architecture lecture series, October 1, 2007.

Société Française des Architectes, Paris, France: "Oscar Niemeyer et l'Architecture Contemporaine." In lecture series, September 17, 2007.

Harvard University, Graduate School of Design, Cambridge, MA: "PPB 50: NOVACAP and the Making of Brasilia." In Department of Urban Design lecture series, October 2, 2007. [video]

Museum of Fine Arts, Houston, TX: "Brasilia: a City in Four Scales." In Maecenas Lecture Series, October 31, 2006.

University of Houston, Gerald D. Hines College of Architecture, Houston, TX: "Vernacular Paradigms in the Architecture of Lucio Costa." Seminar conducted by Michelangelo Sabatino, October 30, 2006.

Canadian Centre for Architecture, Montreal, Canada: "Lucio Costa et l'art de vivre moderne." In Fellowship Talk Series, July 22, 2005.

Harvard University, Graduate School of Design, Cambridge, MA: "The Superquadra." In design studio conducted by Jorge Silvetti, March 2004.

Rice University, School of Humanities, Houston, TX: "The Space of the Pilotis." In Department of Art History lecture series, October 23, 2003.

Maison du Brésil, Paris, France: "La Politique Patrimoniale du Projet de Brasilia." In Journée Lucio Costa, November 14, 2002.

Universidade Federal do Rio de Janeiro, Faculdade de Arquitetura e Urbanismo, Rio de Janeiro, Brazil: "O Espaço do Pilotis: Entre Modernidade e História." In lecture series, May 22, 2002.

Ministério da Cultural, Palácio Capanema, Rio de Janeiro, Brazil: "Redes, Azulejos, e Cobogós: Paradigmas Vernaculares na Obra de Lucio Costa." In Um Século de Lucio Costa, May 14, 2002.

Harvard University, Graduate School of Design, Cambridge, MA: "The Patrimonial Politics of Lucio Costa." In Department of Architecture lecture series, April 2002.

Harvard University, Graduate School of Design, Cambridge, MA: "The Urbanism of Lucio Costa." In Department of Urban Design lecture series, March 2, 2002.

Contemporary Arts Museum, Houston: "The Work of Robert Thierren." In Gallery Talk Series, February 18, 2001.

American University of Beirut, Center for Behavioral Research: "The Villain's Lair in James Bond among other Architectural Fictions." In Fellowship Talk Series, Spring 2001.

Rice University, School of Humanities: "Tombs and Cubes." In Department of Art History Scholar's Forum, 1999.

Arizona State University, College of Architecture and Environmental Design: "Beirut Mythology: Ancient City of the Future." In The Dilemma of Intervention Symposium, February 28, 1998.

Rice University, School of Continuing Studies: "Architecture and War." In Dean's Lecture Series, 1997.

Harvard University, Graduate School of Design, Cambridge, MA: "Object City / Abject Ruins." In Projecting Beirut Conference, April 12, 1997.

Harvard University, Graduate School of Design, Cambridge, MA: "Cryptic Stones." In Department of Architecture lecture series, , Cambridge, MA. 1996.

Rice University, School of Architecture: "Latent Parallelpipeds." In Lecture Series, 1994.

ACSA 80th Annual Meeting, Disney World, Orlando: "Imagineers, Architects, and their Swans." In conference, Architectural Education: Where we Are, 1992.

Princeton University, School of Architecture: "Writing on White Walls: The Joséphine Baker House." In Graham Foundation Ph.D. Symposium, 1992.