1. Health-care and help-seeking behaviors in a Dominican shantytown. Association of American Geographers (AAG), March 10, 2006 (with Korine Kolivras).
2. Author meets critic: Response to Gareth Jones, Brian Godfrey, Betty Smith, Maureen-Hays Mitchell, Larry Herzog and others. Conference of Latinamericanist Geographers, Jardín de las Rosas, Morelia, Mexico, October 27, 2005.
3. “Outside the Gates: Health care and housing concerns in a Dominican shantytown.” Conference of Latinamericanist Geographers, Jardín de las Rosas, Morelia, Mexico, October 28, 2005 (with Korine Kolivras)
4. Environmental Planning and Heritage Tourism in Cuba: Challenges and Opportunities. Presented at "Cuba Today: Challenges and Opportunities for Cuba in the Special Period." Bildner Center for Hemispheric Studies, City University of New York, October 5, 2004.
5. Humboldt’s Cuba: Slavery, Geography, and the New Political Discourse. Presented at the annual meetings of the AAG, Philadelphia, March 17, 2004
6. Dollarizing the Economy, Remittances & Joint Ventures in Cuba. Whither Cub? University of Iowa, College of Law, February 6, 2004. Prepared and submitted but not presented because of family medical emergency.
7. Heritage and Land-use in the Spanish American historic district. Presented at the Conference of Latinamericanist Geographers, University of Arizona, Tempe, AZ, January 8, 2003.
8. Globalization and Heritage Tourism in the Spanish American Historic District. Presented at the conference “Globalization & Cultural Diversity,” Hotel Roanoke, September 21, 2002, Sponsored by the Virginia Center for the Humanities.
9. Globalization and Modernity in Havana’s Built Environment. Presented at the Association for the Collegiate Schools of Architecture, Havana, Cuba, June 24, 2002 (with Kay Edge and Heather Woofter)
10. Trinidad’s Tourism Debacle: Between “Glocal” Heritage and National Economic Development. Association for the Study of the Cuban Economy, Miami, FL, August 3, 2002
11. Globalization and Heritage Tourism in Latin America. Presented at the Association of American Geographers (AAG), Los Angeles, March 20, 2002.
12. Historic Preservation and mid-level theory in the Latin American city. Presented at the Latin American Studies Association Meeting, September 6, 2001. Washington, D.C.
13. Diseño urbano y patrimonio cultural en los cascos históricos latinoamericanos. Presented at the Conference of Latinamericanist Geographers meetings, Benicassím, Spain, June 12, 2001.
14. Constructing Identities of Latin American Historic Districts Amidst the Public-Private Debacle, AAG, New York City, March 1, 2001
15. The Globalization of Culture and the Role of Foreign Language Education in the USA: Convergence or Divergence for the US Student Abroad? Keynote address presented at the Pennsylvania State Modern Languages Association meetings, October 20, 2000.
16. Habaguanex and the revitalization of Old Havana. Association for the Study of the Cuban Economy, Miami, August 4, 2000.
17. Private entreprenuership in Cuba. Association for the Study of the Cuban Economy, With Phil Peters, Miami, August 5, 1998
18. Going solo: Tales and Trails of Cuba's cuentapropistas. Second Cuban Studies Conference, Cuban Research Institute, Florida International University, March 18, 1999.
19. Gentrification and the barrio: Community response according to the source of capital in La Habana, Cartagena de las Indias, and Cuenca. Latin American Studies Association (LASA), Chicago, September 24, 1998.
20. Housing, historic preservation and tourism in post-socialist Havana, Cuba. Annual meetings of the Association of American Geographers (AAG), Boston, March 26, 1998.
21. Breathing life into data: historic preservation and land use in Puebla, Mexico. LASA, Guadalajara, Mexico, April 17, 1997.
22. On the contributions of Leví Marrero to Latinamericanist geography. AAG Ft. Worth, TX, April 3, 1997.
23. Back to the future: The Sociopolitical Dynamics of Miramar's Budding Real-Estate Market. Association for the Study of the Cuban Economy. Miami, August 9, 1996.
24. The therapeutic landscapes of Havana. Presented at the International Geographical Union, Medical Geography Symposium, Portsmouth, England, August 2, 1996.
25. The Changing Face of Cuban Socialism: Tourism and Planning in a Post-Soviet Era, AAG, Charlotte, NC, April, 1996.
26. Cuba’s Post-socialist transition. Presented at the Global Restructuring and Deregulation Crisis. Political Geography Specialty Group of the AAG, University of Georgia, Athens, April 7, 1996.
27. On the New Economic Geography of Havana’s Food and Paladar Market. Association for the Study of the Cuban Economy, Miami, FL, August 9, 1995.
28. The Role of Advocacy in Teaching Urban Planning in Cuba. Role of Advocacy in the Classroom, Modern Languages Associations, AAG, American Historical Association, and 9 other organizations, Pittsburgh, June 3, 1995.
29. Resolviendo! The Post-socialist economy of Havana. Social Consequences of Political Transformation. Political Geography Specialty Group, AAG, University of Iowa, March 12., 1995
30. Structural Adjustments in Havana’s ‘New’ Tourist Economy, Mid-Western Association of Latinamericanist Studies, Baños, Ecuador, November 20, 1995.
31. A Decade of HMOs in Chile. (with Ernesto Miranda & Ignacio Irarrázaval). International Medical Geography Symposium, Vancouver, July 15, 1994.
32. The Centralization Debate Revisited. With Ignacio Irarrázaval, AAG, San Francisco, March 30, 1994.
33. Conceptualizing Social Movements: Lessons from Post-Authoritarian Chile and Post-Socialist Cuba. AAG, San Francisco, March 29, 1994.
34. Instrumental Validity in Medical Geography. International Medical Geography Symposium, Charlotte, NC, August 5, 1992.
35. Empowerment Strategies Among Latin American Woman. Empowerment Meetings, University of Colorado, Boulder, April 12 (with Nora Femenia) 1992.
36. On the contribution of social movements to development geography. AAG, San Diego, April 22, 1992.
37. Mutual Aid Societies, Medical Care, and Organized Labor in the Southern Cone: 1880-1945. AAG, Miami, April 14, 1991.
38. The Chilean Welfare State Under Redemocratization. Latin American Studies Association, April 15, Washington D.C., 1991.
39. Physicians, National Health Insurance, and Redemocratization in Argentina and Uruguay. Association for Advancement of Policy, Research and Development in the Third World. Mexico City, November 14, 1990.
40. Physicians and Medical Care Policy in Argentina and Uruguay. American Public Health Association meetings, New York, October 2, 1990.
41. Care Decentralization and Shantytown Health Care in the Southern Cone: New Challenges for the Old Welfare State. Prepared for the Latin American Studies Association meetings, San Juan, PR, September, 1990.
42. Future Directions in Latin American Geography. AAG, Toronto, April, 1990.
43. State terror: Ideology, Protest & Public and Private Spaces. AAG, Toronto., 1990.
44. The Geography of Domestic Violence and its Public Policy in the United States, Iowa Public Health Association meetings, Des Moines, May 3, 1989.
45. The Myth of the Welfare State in the Southern Cone: State, Labor, & Medical Care Under Deindustrialization, AAG, Baltimore, March, 1989.
46. Physician Organization, Class, and the State in Argentina and Uruguay. American Medical Students Association, Iowa City, Iowa, October, 1988.
47. Conceptual Issues in Health Care Privatization, AAG, April, Phoenix, 1988.
48. Help-Seeking Behavior of Urban Poor in Chile: Class & State Interests under Privatization, AAG, April 8, Portland, 1987.
49. Medical Geography & Public Policy, AAG, April, Portland, 1987.
50. Political Economy and the Welfare State in the Geography of Health Care Delivery. West Lakes Division of the AAG, November, Chicago, 1987.
51. Holistic healers in New Jersey (with Ronald L. Caplan). New Jersey Public Health Association, Piscataway, NJ, November, 1986.
52. Geographical & Procedural Variations in the Use of DRGs. International Medical Geography Symposium, Rutgers University, July, 1986.
53. Fiscal Retrenchment and Medical Care in Authoritarian Chile. Socialist Scholars Conference, New York, April, 1986.
54. The Spatial Organization of Primary Care in, Chile. AAG. Minneapolis, May, 1986.
55. The Kissinger Commission Report: Implications for the Geographer. Conference of Latinamericanist Geographers, September, Wash. D.C, 1985.
56. Do HMOs work in developing countries? The Case of Chile in Recent Years. American Public Health Association, November, Washington, D.C., 1985.
57. National Politics and Regionalization of Health Care in Chile, 1970-1980. AAG, San Antonio, Texas, April, 1982.
58. Consumer Utilization of Mobile Health Care Services in the Atacama Desert. Conference of Latinamericanist Geographers, Buffalo, October, 1981.
59. Cognitive Learning Styles of Latins & non-Latins: Some Implications for Geographic Instruction. Florida Society of Geographers, St. Augustine, FL, February, 1981.
60. High Human Fertility in Costa Rica. AAG, New Orleans, April, 1978.