1. T. Chao, T. Oc, ‘Creating a safer community for elderly in mixed-use development- Vertical gated community in city center’, Conference of Gated Communities, 18-19/09/2003, Glasgow, UK
2. T. Chao, T. Oc, ‘City living and Empty Nesters in UK- Attitudes to Mixed-use development’, 4th International Postgraduate Research Conference, 01-02 04/2004, Salford, UK
3. T. Chao, T. Oc, ‘Future City Centre Living and The Ageing Society in UK’, City futures-International conference on globalism and urban change, 06-08 07/2004, University of Illinois at Chicago, USA
4. T.Chao, ‘The Ageing-friendly cities in UK-creating sustainable housing in inner city area’, 19th EAROPH World Planning and Housing Congress and National Housing Conference, 19-22 09/2004, Melbourne, Australia
5. T.Chao, ‘ City Living and Ageing Society – A case study of Nottingham, UK’, the 43rd International Making Cities Livable Conference, June 20 - 24, 2005, Venice, ITALY
6. T. Chao, T. Oc, ‘The Ageing-friendly cities in UK-urban consequences and the ageing population’, The 2005 ACSP Annual Conference, October 26-30, 2005, Kansas city, Missouri, USA.
7. T. Chao, S. Yang, ‘A proposition of the management framework of the government estates in Taiwan-A comparative case study of the UK and Taiwan’, the Second Annual International Symposium on Urban Development and Land Policy, Lincoln Institute of Land Policy , October 19-21, 2006, Shenzhen, China
8. T. Chao, C. Chang, C. Liao, ‘The farmland resource transformation and sustainable development in Taiwan’, The 7th International Symposium on Environment-behavior Research EBRA 2006, Dalian China
9. H.S. Chang,T.Y. Chao, S.W. Huang, The sustainable spatial planning of regional farmland resource in Taiwan, New Concepts and Approaches for Urban and Regional Policy and Planning, April 02~03, 2007, Belgium: Leuven.
10. Y.T. Wen,T.Y. Chao, ‘Housing preferences of the urban ageing population in the Southern Taiwan’, 20th Conference for the Pacific Regional Science Conference Organization (PRSCO), May 06-09, 2007, Vancouver BC, Canada
11. C.D. Yu,T.Y. Chao, ‘GIS-based decision support system for facilitating the investment on exploiting local wind energy sources’, First International Conference on Energy and Sustainability, June 20-22, 2007, New Forest , UK
12. T.Y. Chao, C.D. Yu, H.S. Chang, ‘The potential evaluation of regional bio-energy supply system in Taijian Area, Taiwan’, The 4th ACSP & AESOP Joint Congress, July 06-11, 2008, Chicago, USA
13. H.S. Chang, T.Y. Chao, ‘A study on the Spatial Relationship between Mixed Land Use and Urban Disaster -- a Case study of Tainan City’, The 4th ACSP & AESOP Joint Congress, July 06-11, 2008, Chicago, USA
14. 歐陽長虹,趙子元 ,‘反映高齡化社會變遷趨勢下的都市設計研究',2009第十三屆國土論壇,國立成功大學都市計劃學系,14/03/2009
15. T.Y. Chao, C.C. Chao, ‘The strategic planning framework for contaminated sites regeneration’, Dioxin 2009, August 23-28, 2009, Beijing, China
16. 徐韻涵，趙子元，2010，「台北市平價住宅問題分析與美國租屋券機制引入探討」，2010中華民國住宅學會年會，（2010/01/22）國立金門技術學院
17. 高偉杰，趙子元，2010，「以實質選擇權觀點評估都市更新之容積獎勵研究」，第十四屆國土論壇 (2010/03/27)，台南市，國立成功大學
18. W.J. Gao, T.Y. Chao, ‘Using the viewpoint of real options to Evaluate the Effectiveness of Floor Area Bonus in Urban Renewal’, 2010 AESOP Annual Congress, 07-09, 07, 2010, Helsinki, Finland
19. T.Y. Chao, H.W. Huang, ‘The Study of Physical Environment Design for Age-Friendly Community’, 2010 AESOP Annual Congress, Finland, 07-09, 07, 2010
20. T.Y. Chao, H.W. Huang, ‘Active Ageing: an indicator system for Age-friendly Built Environment in Taiwan’, 9th International Conference on Urban Health 2010, October 27-29,2010, New York, USA
21. 楊經綸，趙子元，2011，「台灣的綠色未來：三個綠建築評估系統之政策與制度比較」，第十五屆國土論壇，2011/04/25，台南市，國立成功大學
22. 徐韻涵，趙子元，2011，「美國可負擔住宅政策研析與其對台灣之啟示」，第十五屆國土論壇，2011/04/25，台南市，國立成功大學
23. T.Y. Chao, ‘Applying risk evaluation tools in land use planning system for contaminated land redevelopment: a case study in Taiwan ’, World Planning Schools Congress, Perth, Western Australia, 4-8, 07, 2011
24. T.Y. Chao, H.W. Huang, ‘Exploring the Spatial Distribution Characteristics of Empty Nesters in Taiwan: A Case Study of Chia-Yi City’, World Planning Schools Congress, Perth, Western Australia, 4-8, 07, 2011
25. T.Y. Chao, Y.C. Tsai, ‘The depopulation trend and its impact on urban women housing choice- A Case of Taipei City ’, World Planning Schools Congress, Perth, Western Australia, 4-8, 07, 2011
26. T.Y. Chao, T.L. Shih, ‘Exploring the Relationship between Senior Citizens : Welfare Institutions and the local community: A Case Study of Taipei’, World Planning Schools Congress, Perth, Western Australia, 4-8, 07, 2011
27. T.Y. Chao, Y.Y. Yang, ‘Ageing in Place: Successful Housing Community for Elderly in Taiwan - A Case Study of Taipei City’, World Planning Schools Congress, Perth, Western Australia, 4-8, 07, 2011
28. Janet Askew, T.Y. Chao, ‘A comparison of regulatory regimes in England and Taiwan: does the control and management of development contribute to the creation of positive places?’, 6th Annual Conference on Planning, Law and Property Rights, Belfast, UK, 8-10, 02,2012
29. T.Y. Chao, W.Y. Hsieh, ‘ Evaluating the level of age-friendliness of rural areas in Taiwan’, IFA 11th Global Conference on Ageing - Ageing Connects, Prague, 28,05- 1,06, 2012
30. T.Y. Chao, Y.Y. Yong, ‘Housing Preference and Demand of the Retirees in Taiwan – A Case Study of civil servants and teachers in Taipei City’, IFA 11th Global Conference on Ageing - Ageing Connects, Prague, 28,05- 1,06, 2012
31. T.Y. Chao, Y. Sun, ‘Evaluating Urban renewal priority areas in Taiwan: a case study of Tainan’, 2012 AESOP Annual Congress, Ankara, 11-15, 07, 2012
32. T.Y. Chao, Y.M. Hunag, ‘Delivering Affordable Housing through Urban Renewal Projects in the policy context—a comparative study of Taiwan and England’, 2012 AESOP Annual Congress, Ankara, 11-15, 07, 2012
33. T.Y. Chao, Y.C. Tsai, ‘The depopulation trend and its impact on urban family housing choice- A Case of Taiwan ’, 7th International Conference on Planning Law and Property Right, Portland, USA,13-15, 02, 2013
34. T.Y. Chao, I.A.Wu, ‘Does Urban Regeneration Benefit Everyone? A study on impacts of urban regeneration on surrounding areas in Taipei’, 8th International Conference on Planning, Law and Property Right, Haifa, Israel, 10-15, 02, 2014
35. 陳瓊安，趙子元，「探討鄰里環境與高齡者外出步行之關係－以台南市為例」，第十八屆國土論壇，2014/03/22，台南市，國立成功大學
36. 曾佳瑀，趙子元，「臺灣成立都市更新專責機構之研究」，第十八屆國土論壇，2014/03/22，台南市，國立成功大學
37. Jia-Yu Zeng, Tzu-Yuan Chao, ‘Can urban regeneration agency really facilitate urban regeneration?- a study of establishing a dedicated agency on urban regeneration in Taiwan’, 2014 AESOP Annual Congress, Utrecht/Delft, The Netherlands, 9-12, 07, 2014
38. Yun-Wei Chang, Tzu-Yuan Chao, ‘Who Stays, who leaves, an analysis of the factors for students’ movestay decision after graduation’, Global Conference on Applied Sciences and Environment Research (GCAEER 2014), Okinawa, Japan, 04-06 September, 2014
39. Wei-Lun Liao, Tzu-Yuan Chao, ‘The possible impact of amending the Urban Renewal Act for the private sector developers in Taiwan’, Global Conference on Applied Sciences and Environment Research (GCAEER 2014), Okinawa, Japan, 04-06 September, 2014
40. Tzu-Yuan Chao, ‘ The Environmental Planning Act (Draft) in the Netherlands and the case study of Taiwan’, 2014 the Platform of Experts on Planning Law Annual Meeting, Den Hagg, The Netherlands, 9-10, Oct., 2014
41. Tzu-Yuan Chao, ‘The Citizen’s Perception of Age-Friendly City Initiatives in Chiayi City, Taiwan’, The 6th Global Conference for the Alliance for Healthy Cities, Hong Kong, 29 Oct.-1 Nov., 2014 (Oral Poster Presentation)
42. Tzu-Yuan Stessa Chao, H.S. Chang ,Yun-Chi Yu, ‘The Delivering Mechanism of Disaster-Prevention Urban Renewal in Tainan City’, 9th International Conference on Planning, Law and Property Right, Volos, Greece, 25-27, 02, 2015
43. 廖為倫，趙子元，2015「都市更新條例修法對私部門參與投入都市更新影響之研究」，第十九屆國土論壇，2015/03/28，台南市，國立成功大學
44. 張勻瑋，趙子元，2015「台灣地區都市特性對暫離者生活影響之研究」，第十九屆國土論壇，2015/03/28，台南市，國立成功大學
45. Hsiao-Ching Lin, Tzu-Yuan Chao, ‘The relationship between POPS and public open space system based on spatial point pattern analysis in Taipei City, Taiwan’, 2015 AESOP Annual Congress, Prague, Chec Republic , 13-16, 07, 2015
46. Janet Askew, Tzuyuan Stessa Chao, ‘Conformance and performance in Taiwan and England: pragmatism in approach?’, 2015 AESOP Annual Congress, Prague, Chec Republic , 13-16, 07, 2015
47. Yun-Chi Yu, Tzuyuan Stessa Chao, ‘ A study on the optimized Evaluation criteria of Disaster- Prevention Urban Renewal Area in YongKang District, Tainan City’, 2015 AESOP Annual Congress, Prague, Chec Republic , 13-16, 07, 2015
48. Ping-Geng Huang, Tzuyuan Stessa Chao, ‘A Preliminary Study on Re-examining Housing Demand from a Homeownership Perspective in Taiwan’, 2015 AESOP Annual Congress, Prague, Chec Republic , 13-16, 07, 2015
49. Ya-Ting Wang, Tzuyuan Stessa Chao, ‘How to establish a disaster-resilient ageing community based on local elderly welfare Institutions in rural area of Taiwan’, 2015 AESOP Annual Congress, Prague, Chec Republic , 13-16, 07, 2015
50. Tzu-Han Hung, Tzuyuan Stessa Chao, ‘Affordable or unaffordable? A Preliminary study of a reasonable social housing rental price range in Taipei City’, 2015 AESOP Annual Congress, Prague, Chec Republic , 13-16, 07, 2015
51. Tzuyuan Chao, Hui-Wen Huang, Yu-Ju Fu, ‘Empowering elderly on building an Age-friendly community- a case study of Jinhwa community, Taiwan’, 2016 REIACTIS CONFERENCE «Ageing and Empowerment: Between resources and vulnerabilities », Lausanne Swiss, 10-12, Feb 2016
52. Tzuyaun Stessa Chao, ‘From Blight area to Bright area: the legal feasibility of installing solar photovoltaic systems on former landfill sites in Taiwan’, 10th International Conference on Planning, Law and Property Right, Bern, Switzerland, 17-19, Feb 2016
53. 趙子元，「高齡社區災害脆弱度與福利避難所建置可行性」，第二十屆國土論壇，2016/03/26，台南市，國立成功大學
54. Tzuyuan Chao, Y.T. Wong, ‘DISASTERS AND AGEING COMMUNITIES: EVALUATING THE NATURAL DISASTER RISK OF RURAL AGEING COMMUNITIES IN TAIWAN’, 2016 International Federation on Ageing 13th Global Conference, Brisbane Australia, 21-23 June 2016
55. Chang CM, Shih HI, Huang YT, Chao TY, Chen PT, Yao CC. Geriatric conditions are associated with potential difficulty to immediate escape from dangerous place among older adults in Taiwan. The 13th International Federation of Ageing: Disaster and Elderly. 21-23 June 2016, Brisbane, Australia
56. Shih HI, Huang YT, Chang CM, Chao TY, Hsu HC, Chi CH, Hsieh CC, Tu YF. Mental health impacts among the elderly population after the major natural disaster. The 13th International Federation of Ageing: Disaster and Elderly. 21-23 June 2016, Brisbane, Australia
57. Yun Chou , T.Y. Chao, ‘The Relationship between Mortality of the Female Elderly with Dementia and Distribution of Exercise Spaces in Taiwan’, 2016 World Planning School Congress, Rio de Janeiro, Brazil, 04-08 July, 2016 (獲得科技部國內研究生赴國外參與國際研討會補助)
58. C.C. Lu, T.Y. Chao, “How public are they? Evaluating the accessibility of public of privately owned public space (POPS) in Taipei city, Taiwan, 2016 World Planning School Congress, Rio de Janeiro, Brazil, 04-08 July, 2016(獲得科技部國內研究生赴國外參與國際研討會補助)
59. Chang CM, Shih HI, Huang YT, Chao TY, Chen PT, Yao CC. Geriatric Conditions Are Associated with Potential Difficulty of Walking A Distance of 200-300 Meters among Older Adults in Taiwan. The 12th Congress of the European Union Geriatric Medicine Society. 5-7 October 2016, Lisbon, Portugal.
60. Chia-Ming Chang, Hui-Wen Huang, Yi-Ting Huang, Tzu-Yuan Chao, Hsin-I Shih. Development of Vulnerability Index to Disaster for Assessment of the Ageing Community. BIT’s 4th Annual World Congress of Geriatrics and Gerontology. 18-20 November 2016, Kaohsiung, Taiwan.
61. Hsin-I Shih, Yi-Ting Huang, Chia-Ming Chang, Tzu-Yuan Chao, Hsiang-Chin Hsu, Chih-Hsien Chi, Hui-Wen Huang. Socioeconomic Impacts on Health after A Major Natural Disaster on Elderly Patients with Chronic Diseases: A Observation Population-based Follow-up Study. BIT’s 4th Annual World Congress of Geriatrics and Gerontology. 18-20 November 2016, Kaohsiung, Taiwan.
62. Tzuyaun Stessa Chao, Pinghsuan Tsai, ‘Is there a win-win situation? The feasibility study of converting farmlands to solar photovoltaic farms in Taiwan’, 11th International Conference on Planning, Law and Property Right, Hong Kong, 21-24, Feb 2017
63. Tzuyuan Stessa Chao, ‘“What role should the privately owned public space (POPS) play in the open space system of a high density city? A case study from openness perspective’. 2017 AESOP Annual Congress, Lisbon, Portugal, 11-14, 07, 2017(獲得科技部赴國外參與國際研討會補助)
64. Yu-Wen Chen, Tzuyuan Stessa Chao, ‘Conformance vs Performance: Zoning of the Urban Agricultural Zones in Taiwan’, 2017 AESOP Annual Congress, Lisbon, Portugal, 11-14, 07, 2017 (獲得科技部赴國外參與國際研討會補助)
65. Shin-Yi Lee, Tzuyuan Stessa Chao, ‘The Gap Between Planning And Reality: The Evaluation Of Commercial Land Use Planning Implementation In Kaohsiung City, Taiwan’, 2017 AESOP Annual Congress, Lisbon, Portugal, 11-14, 07, 2017 (獲得科技部赴國外參與國際研討會補助)
66. Tzuyuan Stessa Chao, ‘Planning for Greying Cities, Age-friendly City Planning and Design Research and Practice’, 2017 Forum on Smart and Sustainable Development, Tainan, Taiwan, 27-28, Nov. 2017
67. Jia-Jin He, Tzu-Yuan Chao, ‘The preliminary study of the possible relationship between urban open space system and residents' health outcome’, Health: The Design, Planing and Politics of How and Where We Live International Conference, Bristol, UK. 25-26, 01,2018 (獲得科技部赴國外參與國際研討會補助)
68. Hung-Chun Lin, Tzu-Yuan Chao, ‘How built environment makes the elderly feel? The relationship between elderly people with depression and built environment factors’, Health: The Design, Planing and Politics of How and Where We Live International Conference, Bristol, UK. 25-26, 01,2018 (獲得科技部赴國外參與國際研討會補助)
69. 陳郁汶、趙子元，2018「計劃與實務落差之研究:以台南市農業區為例」，第二十二屆國土論壇，2018/03/24，台南市，國立成功大學
70. Tzuyuan Stessa Chao, Ting-Shuan Chen, ‘Locally Unwanted Land Use (LULU)? The possible impacts study of the senior citizen’s welfare institution in Taiwan’. 2018 PLPR Third Pacific Rim Regional Meeting, Taoyuan, Taiwan, 16-17, 04, 2018
71. Tzuyuan Stessa Chao, ‘The relationship between elderly people’s quality of life and built environment in high-density urban areas’, Aging across Time and Contexts, US-Hong Kong 2018 Conference,19-20, May, 2018, Hong Kong(獲香港中文大學邀請補助參加)
72. Tzuyuan Stessa Chao, Hung-Chun Lin, Hsin-I Shih, ‘A study of the relationship between elderly people with depression and built environment in high-density urban areas: a people-environment perspective’, The 14th International Federation of Ageing, 8-10, Aug, 2018, Toronto, Canada (獲得科技部赴國外參與國際研討會補助)
73. 趙子元、姜曉琴，2018，「以人與環境匹配理論觀點探討高齡者社區參與-以廈門五緣灣北社區與台南長榮社區為例」，第十四屆科技與社會學術研討會，2018/06/02，新竹縣，中華大學
74.Tzuyuan Stessa Chao, Hsin-I Shih, Xiao-Chin Jian, Chia-Yu Lee, ‘The Community-Based Disaster Risk Reduction (CBDRR) Strategies in an Aging Society- From Person-Environment Fit Perspective’, The Asian Conference on Aging & Gerontology (AGen2019), 20-22, May, 2019, Tokyo (獲得科技部赴國外參與國際研討會補助)
75. Wen-Chih Chen, Tzuyuan Stessa Chao, ‘How well can Privately Owned Public Spaces (POPS) Facilitate Social Interactions in Taipei City? A Case Study of the community residents’ daily life, 2019 AESOP Annual Congress, Venice, Italy, 09-12, 07, 2019(獲得科技部赴國外參與國際研討會補助)
76. Meng-Han Huang, Tzuyuan Stessa Chao, ‘Will it Accelerate Urban Regeneration? The Feasibility of the “Statute For Expediting Reconstruction of Urban Unsafe and Old Buildings 2018” in Taiwan- A case study of the Historical Quarter in Central Western District, Tainan City’ , 2019 AESOP Annual Congress, Venice, Italy, 09-12, 07, 2019
77.Tsai, M., Chao, T.S., ‘Planning and Urban Sprawl: Non-urban land development and sprawl under the development permit of Regional Planning Act in Taiwan’ , 2019 AESOP Annual Congress, Venice, Italy, 09-12, 07, 2019
78.You, S., Chao, T.S., ‘The Preliminary Study of the Impact of New-build Gentrification in Taipei City’ , 2019 AESOP Annual Congress, Venice, Italy, 09-12, 07, 2019(獲得科技部赴國外參與國際研討會補助)
79. Hsu, C, Chao, T.Y., ‘Ecology Conservation on Private Lands- A case study of Leopard cats’, 14th International Conference on Planning, Law and Property Right, Czechia, 17-21, Feb 2020 (獲得科技部赴國外參與國際研討會補助)
80.趙子元、姜曉琴、余政澤，2020，「基於高齡者日常活動的高齡化鄉村規劃問題反思與策略研究」，第二十四屆國土論壇，2020/05/23，台南市，國立成功大學