โสภณ แย้มกลิ่น (Sophon Yamklin)

Sophon Yamklin ผศ.ดร.โสภณ แย้มกลิ่น

Sophon Yamklin is an Assistant Professor at the Faculty of Economics, Kasetsart University. He has over twenty years of experience teaching and consulting value proposition design, business model design, and business model innovation for business corporations and new entrepreneurs. He also specializes in using customer insight analysis tools, such as job to be done, to reinvent business strategy. He also specializes in value creation in agribusiness entrepreneurship.

Sophon is interested in contemporary research using qualitative methodology in topics such as value proposition design, business model innovation, design thinking in agribusiness, customer insight analysis, user empathy and agribusiness innovation.

Current Positions

Assistant Professor

Department of Agricultural and Resources Economics (DARE), Faculty of Economics, Kasetsart University

Associate Head in Management and Finance

Department of Agricultural and Resources Economics (DARE), Faculty of Economics, Kasetsart University

Program Director, AEA Special Program

Department of Agricultural and Resources Economics (DARE), Faculty of Economics, Kasetsart University

Academic Board Member, AEA Program

Department of Agricultural and Resources Economics (DARE), Faculty of Economics, Kasetsart University

Education

PhD in Management of Technology



Current Teaching

Value Proposition Design and Business Model Innovation

Concept and definition of value proposition design in food and agribusiness, concept of job to be done, design thinking, business model innovation, business idea testing, business model innovation strategy in food and agribusiness


Business Plan and Investment Analysis

Business concept development for an agribusiness entrepreneur. Business plan process and Writing. Investment project feasibility study. Financing tools for the appraisal process. Investment project implementation planning and management. Project pitching process and strategies


Agribusiness and Food Business Management and Entrepreneurship

Roles and structure of agribusiness in the Thai economy. Agribusiness and food business system. Concepts and theories related to organizational and management. Internal and external interaction of an agribusiness organization. Roles of an agribusiness manager in planning, organizing, leading, decision making, and controlling in agribusiness organizations.


Entrepreneurship in the Digital Economy

Characteristics of entrepreneurship in the digital economy. Tools for a digital business start-up. Digital business model design. Business model innovation for digital business. Marketing on a digital business platform. Digital business operations and resources. Cross-border e-commerce platform. Pitching and raising early-stage investment for early digital businesses


Digital Economy in Agri-Food Business

Digital economy and digital business in Agri-Food. The foundation of information technology in Agri-Food. Digital platform and payments for agribusiness and food business


Feasibility Analysis and Financial Management

Capital budgeting, cash flow estimation, cost of capital analysis, project evaluation techniques, risk analysis, project feasibility analysis, scenario and sensitivity, investment project analysis


Business Ethics

Research and Projects

The Study of User Journey for Food Supplemental Application Process

Food and Drug Administration (Thai FDA), Ministry of Public Health (2025)


The Development of the Consumer Index in Food Products 2025


Project Feasibility Analysis and Business Model Development of the Fresh Manure Seed


The Development of the Consumer Index in Food Products 2024


The Study of Consumer Confidence in Food Products


The Green Bean Business Plan Development


The Feasibility Analysis of SPRC Contract Renewal


The Impact Evaluation using Social Return on Investment (SROI) of the CLMVT forum


Capability Development Project for Community Entrepreneur


The Economic Impact of Electronic Transactions on the Thai Economy


Sustainable Agribusiness Model for Poverty Reduction Among Thai Small-scale Rubber Farmers


The Study of the Business Model of Contract Farming on Technology Development and Income Enhancement for Small-Scale Farmers


The Study of Customer Insight: Customer Value of Elderly in Elderly Snack Products,


The Impact Evaluation of the Agricultural Research Project

Agricultural Research Development Agency (ADDA) (2018)

Publications

National Journals

The Study of Customer Journey and Touchpoints of Thai Floral Perfume

Pensuit K, Yamklin S, Premashthira A, and Davivongs K (2025) The Study of Customer Journey and Touchpoints of Thai Floral Perfume, Journal of Social Science Panyapat, 7(1).


Factors Affecting Consumer Confidence in Purchasing Fruit and Vegetable Products in Certified Fresh Market

Khuenjindawong T, Yamklin S, and Premashthira A (2024) Factors Affecting Consumer Confidence in Purchasing Fruit and Vegetable Products in Certified Fresh Market, Journal of Social Science Panyapat, 6(4).


The Value Chain Study of Hom Thong’s Bananas in Phetchaburi Province under the Coronavirus Disease 2019 Epidemic Situation

Pudwat K, Yamklin S, and Premashthira A (2023) The Value Chain Study of Hom Thong’s Bananas in Phetchaburi Province under the Coronavirus Disease 2019 Epidemic Situation, Khon Kaen Agriculture Journal, 51(2).


Customer Journey of Fresh Fruit via Online Channel

Akkarapanyawit N, Sayruamyat S, and Yamklin S (2022) Customer Journey of Fresh Fruit via Online Channel, Business Review Journal, 14(2).


Customer Value of Snack Products for the Elderly

Yamklin S (2021) Customer Value of Snack Products for the Elderly, Journal of Administrative and Management Innovation, 9(1).


Study Identification and Development of Student Identities: Case Studies of Government Universities in Bangkok

Intchod T, Sivapitak S, Yamklin S, Cheerakan K, and Hattakitpanitchakul W (2019) Study Identification and Development of Student Identities: Case Studies of Government Universities in Bangkok, Suthiparithat Journal, 107.


The Relationship between Leadership and Effectiveness of Nurses Working at Chulabhorn Hospital

Wongpatcharawarakul S, Sivapitak S, and Yamklin S. (2019) The Relationship between Leadership and Effectiveness of Nurses Working at Chulabhorn Hospital, Suthiparithat Journal, 105.


The Relationship between Perceived Organizational Climate and the Personal Development of Customer Service Line of Bangkok Bank Micro Branch

Panyakam J, Sivapitak S, and Yamklin S. (2018) The Relationship between Perceived Organizational Climate and the Personal Development of Customer Service Line of Bangkok Bank Micro Branch, Suthiparithat Journal, 101.

Publications

Conference Proceedings

Customer Journey on Cactus Purchasing

Kampiranon K, Yamklin S, Sayruamyat S (2023) Customer Journey on Cactus Purchasing, The 7th UTCC National Conference 2023


Factors Correlated to Consumers’ Buying Decisions on Plant-Based Meat

Rungtanakiat K, Yamklin S, Davivongs K (2022) Factors Correlated to Consumers’ Buying Decisions on Plant-Based Meat, Proceedings of the 3rd National and International Conference 2022


Value Proposition Design of Wolffia Globosa for Vegan Consumers

Sangchotchuangchai T, Yamklin S, and Davivongs K (2022) Value Proposition Design of Wolffia Globosa for Vegan consumers, Proceedings of the 4th BAS National Conference 2022 (Best Paper Award)


Business Model Development of Edible Flower Farm

Thammasorn T, Yamklin S, and Davivongs K (2022) Business Model Development of Edible Flower Farm, Proceedings of The 13th RSNC National Conference


Attributes Affecting the Customers’ Satisfaction with Purchasing Natural Face Care Products at Convenience Stores

Tulyakul C, Bhadrakom C, and Yamklin S (2021). Attributes Affecting the Customers’ Satisfaction to Purchase Natural Face Care Products at Convenience Stores, Proceedings of the 19th National Graduate Conference


The Comparison of Customer Journey in Purchasing Fresh Fruit between Offline and Online Channels

Akkarapanyawit N, Sayruamyat S, and Yamklin S (2021) The Comparison of Customer Journey in Purchasing Fresh Fruit between Offline and Online Channels, Proceedings of the 18th National Graduate Conference (Best Paper Award)


The Cost-Benefit Analysis and Investment Evaluation of Hom Thong Bananas Plantation in Phetchaburi Province

Pudwat K, Yamklin S, and Premashthira A (2021) The Cost Benefit Analysis and Investment Evaluation of Hom Thong Bananas Plantation in Phetchaburi Province, Proceedings of the 8th NEUNIC 2021 Conference


The Relationship between Farm Management and the Success of Rice Farmers in Ayutthaya

Na Pattalung N, Yamklin S, and Sayruamyat S (2021) The Relationship between Farm Management and the Success of Rice Farmers in Ayutthaya, Proceedings of DPU International Conference on Business Innovation and Social Sciences


Business Opportunity Analysis of Microgreen Products

Pansawad P, Yamklin S, and Davivongs K (2021) Business Opportunity Analysis of Microgreen Products, Proceedings of DPU International Conference on Business Innovation and Social Sciences


Consumer Preferences on Selected Thai Chocolate

Pruckakul P, Premashthira A, and Yamklin S (2020) Consumer Preferences on Selected Thai Chocolate, Proceedings of the 14th Graduate Conference in Economics


The study of Thai fresh avocado value creation

Chaiyong A, Premashthira A, and Yamklin S (2020) The study of Thai fresh avocado value creation, Proceedings of the 14th Graduate Conference in Economics


A Customer Experience in Purchasing Thai Facial Skincare Products: Seamless Retail Channels

Poonsin P, Yamklin S, and Kuldilok K (2020) A Customer Experience in Purchasing Thai Facial Skincare Products Seamless Retail Channels, Proceedings of the 14th Graduate Conference in Economics


Consumer Behavior Study of Coconut Yoghurt in Bangkok

Musika K, Pensupar K, and Yamklin S (2020) Consumer Behavior Study of Coconut Yoghurt in Bangkok, Proceedings of the 12th NPRU National Academic Conference


The Study of Online Mangosteen Farmers’ Value Chain and Government Promotion to Develop Value Chain in Digital Thailand

Chotipan N, Yamklin S, and Davivongs K (2020) The Study of Online Mangosteen Farmers’ Value Chain and Government Promotion to Develop Value Chain in Digital Thailand, Proceedings of the 14th Graduate Conference in Economics


Value Proposition and Desired Attributes of Healthy Rice Crackers

Joisaksa S, Yamklin S, and Duangbootsee U (2020) Value Proposition and Desired Attributes of Healthy Rice Crackers, Proceedings of the 14th Graduate Conference in Economics


Consumer Behavior of Acne Gel Products from Myrobalan Natural Extracts in Bangkok

Masngammueng S, Pensupar K, and Yamklin S (2020) Consumer Behavior of Acne Gel Products from Myrobalan Natural Extracts in Bangkok, Proceedings of the 12th NPRU National Academic Conference


Attributes Affecting Consumers’ Purchasing Decisions on Crispy Pork Products

Sriwiboon K, Yamklin S, and Sayruamyat S (2020). Attributes affecting consumers’ purchasing decision on crispy pork products, Proceedings of the 14th Graduate Conference in Economics


Diversification activities practiced by rubber farmers in Southern Thailand: A linear programming model for economic optimization

Pinitjitsamut M, Yamklin S, Thamthanakoon N, Rattanamanee N, Pinitjitsamut P, James K, Lowenberg-Deboer J, and Huang I (2019) Diversification activities practiced by rubber farmers in Southern Thailand: A linear programming model for economic optimization, Proceedings of the INFER Workshop on Agri-Tech Economics


On-farm diversification of rubber farming and its economic impact: A systematic review

Huang I, James K, Thamthanakoon N, Pinitjitsamut P, Rattanamanee N, Pinitjitsamut M, Yamklin S, and Lowenberg-Deboer J (2019) On-farm diversification of rubber farming and its economic impact: A systematic review, Proceedings of the INFER Workshop on Agri-Tech Economics


The Study of Customer Value for Cooking Virgin Coconut Oil

Bannapongsatorn S, Yamklin S, and Premashthira A (2019) The Study of Customer Value for Cooking Virgin Coconut Oil, Proceedings of the 12th RUMTTO Research Conference


The Analysis of the Melon Value Chain

Saelee S, Yamklin S, and Davivongs K (2019). The Analysis of the Melon Value Chain, Proceedings of the 6th NEUNIC Conference


An Analysis of Product Attributes of Organic Fertilizers from Chicken Manure

Wongsang S, Yamklin S, and Bhadrakom C (2019) An Analysis of Product Attributes of Organic Fertilizers from Chicken Manure, Proceedings of the 12th RUMTTO Research Conference


The Study of the Business Model Canvas of Farmers in Taro Business

Nutcha P, Yamklin S, and Premashthira A (2019) The Study of Business Model Canvas of Farmers in Taro Business, Proceedings of the 4th Suan Dusit National Academic Conference (SDNC2019)


The In-depth study of Consumers: Consumer Job-to-be done, Pain and Gain on Cold Brew Coffee Consumption in Bangkok

Thammasoon K and Yamklin S (2019) The In-depth study of Consumers: Consumer Job-to-be done, Pain and Gain on Cold Brew Coffee Consumption in Bangkok, Proceedings of the 3rd UTCC Academy Day National Conference


The Study of Customer Journey in Package Rice

In-on M, Yamklin S, and Davivongs K (2019). The Study of Customer Journey in Package Rice, Proceedings of the 12th RUMTTO Research Conference

Publications

Books, Research Reports, Teaching Notes

The role of contract farming in supporting structural transformation in agriculture towards production upgrading and increases in productivity

Bunyasiri I.N, Sirisupluxana P, Obidiegwu A, and Yamklin S (2021). The role of contract farming in supporting structural transformation in agriculture towards production upgrading and increases in productivity. TSRI Full Research Report


Agribusiness Planning and Investment Project

Yamklin S (2021). Agribusiness Planning and Investment Project, Department of Agricultural and Resource Economics, Kasetsart University


Case Study: Using Design Thinking in Agribusiness

Yamklin S (2021). Case Study: Using Design Thinking in Agribusiness, Department of Agricultural and Resource Economics, Kasetsart University


Rubber-based farming diversification: Current practices and their impact on the economic sustainability of small-scale rubber farmers – A systematic review Protocol

Thamthanakoon, N., James, K., Pinitjitsamut, P., Rattanamanee, R., Pinitjitsamut, M., Yamklin S., Lowenberg-Deboer, J., and Huang, I. Y. (2020), Rubber-based farming diversification: Current practices and their impact on the economic sustainability of small-scale rubber farmers – A systematic review Protocol


What on-farm practices are used to improve economic sustainability in agroforestry systems? – A quick scoping map

James, K., Huang, I. Y., Pinitjitsamut, M., Thamthanakoon, N., Pinitjitsamut, P., Rattanamanee, R., Yamklin S., and Lowenberg-Deboer, J. (2020) What on-farm practices are used to improve economic sustainability in agroforestry systems? – A quick scoping map (Research brief)


Rubber-based farming diversification: Current practices and their impact on the economic sustainability of small-scale rubber farmers – A systematic review

Huang, I. Y., James, K., Thamthanakoon, N., Pinitjitsamut, P., Rattanamanee, R., Pinitjitsamut, M., Yamklin S., and Lowenberg-Deboer, J. (2020), Rubber-based farming diversification: Current practices and their impact on the economic sustainability of small-scale rubber farmers – A systematic review


Rubber-based farming diversification in Thailand: Barriers, facilitators, and support needs

Yamklin S., Pinitjitsamut, M., Thamthanakoon, N., Rattanamanee, R., Pinitjitsamut, P., James, K., Huang, I. Y., and Lowenberg-Deboer, J. (2020) Rubber-based farming diversification in Thailand: Barriers, facilitators, and support needs


Thailand Rubber Farm Model

Lowenberg-Deboer, J., Pinitjitsamut, M., Yamklin S., Thamthanakoon, N., Rattanamanee, R., Pinitjitsamut, P., James, K, and Huang, I.Y., (2020), Thailand Rubber Farm Model – Technical note


Rubber-based farming diversification in Thailand: Sustainable Agribusiness Model

Pinitjitsamut, M., Lowenberg-Deboer, J., Thamthanakoon, N., Yamklin S., Pinitjitsamut, P., Rattanamanee, R., James, K, and Huang, I.Y. (2020), Rubber-based farming diversification in Thailand: Sustainable Agribusiness Model (supplementary material for the training workshops)


Knowledge and Innovation Management in Agribusiness

Yamklin S (2019) Knowledge and Innovation Management in Agribusiness, Department of Agricultural and Resources Economics, Kasetsart University


Research Benefit Assessment of the Research Project under the Support of the Agricultural Research Development Agency

Vijitsrikamol K, Sinphurmsukskul N, Phasuk S, and Yamklin S (2018) Research Benefit Assessment of the Research Project under the Supports of the Agricultural Research Development Agency, 2018, ARDA, Thailand


A Study for Oleochemical Industries from Palm Oil Development

Sowawattanakul P, Sukpaisan B, Yamklin S, and Bhadrakom C (2017) A Study for Oleochemical Industries from Palm Oil Development, Office of Industrial Economics, Ministry of Industry, Thailand


Business Decision Making

Yamklin S, (2006). Business Decision Making. In: Isaradej B, ed. 2006. Management: A Practical Introduction, McGraw-Hill

Guest Speakers

in Business Model Design and Business Model Innovation

Business Model Development for Mega Farm

Department of Agricultural Extension, Ministry of Agriculture and Cooperatives (2025)


Business Model Design for Fresh Manure

Land Development Department, Ministry of Agriculture and Cooperatives (2024)


Business Model Design

Department of Agricultural Extension, Ministry of Agriculture and Cooperatives (2024)


Business Model Innovation

MBA for Visionary Leader#23, RU (2024)


Business Model Design for Agro-Industry

Faculty of Agro-Industry, KU (2023)


Business Model Design for Agricultural Waste

Office of Agricultural Economics, Ministry of Agricultural and Cooperatives (2023)


Business Model and Business Plan Development

Mung Bean Business Plan Development Project, NSTDA (2022)


Business Model Design

KU Innovation Contest #2, KU (2022)


Business Model Innovation

MBA for Visionary Leader#22, RU


Project Consultant

Supervisory Development Program #10, ThaiBev Company (2022)


Business Model Innovation

Agricultural Land Reform Office, Ministry of Agriculture and Cooperatives (2022)


Business Model Innovation

MBA for Visionary Leader#21, RU (2021)


Business Model Design

KU Innovation Contest #1, KU (2021)


Business Model Design Coaching

KU Innovation Contest #1, Kasetsart University (2021)


Business Model and Marketing Plan Judge

Thailand Institute of Nuclear Technology (2021)


Project Consultant

Department of Industrial Promotion, Ministry of Industry (2021)


Case Studies in Business Model Innovation

Kasetsart Entrepreneurial Education Program, Faculty of Education, KU (2020)

Guest Speakers

in Value Proposition Design, Service Design, and Design Thinking

Value Proposition Design for Service Innovation

Supervisory Development Program#13, ThaiBev Public Company (2025)


Stakeholder Analysis in Material Innovation

Faculty of Science, KU (2025)


Value Proposition Design for Service Innovation

Supervisory Development Program#12, ThaiBev Public Company (2024)


Stakeholder Analysis in Material Innovation

Faculty of Science, KU (2024)


Value Proposition Design

MBA for Visionary Leader#23, RU (2023)


Value Proposition Design for Service Innovation

Supervisory Development Program#11, ThaiBev Public Company (2023)


Value Proposition Design

MBA for Visionary Leader#22, RU (2022)


Value Proposition Design for Service Innovation

Supervisory Development Program#10, ThaiBev Public Company (2022)


Value Proposition Design

Agricultural Land Reform Office, Ministry of Agriculture and Cooperatives (2022)


Value Proposition Design

MBA for Visionary Leader#21, RU


Value Proposition Design for Service Innovation

Supervisory Development Program#9, ThaiBev Public Company (2021)


Design Thinking in Business Research

Graduate School Workshop, Faculty of Economics, KU (2018 – 2022)

Guest Speakers

in Business Plan and Business Strategy

Cost and Benefit Analysis in Material Innovation

Faculty of Science, KU


Innovative Business Plan Development

MBA for Visionary Leader#24, RU MBA (2025)


Business Plan Design & Workshop

Department of Agricultural Extension, Ministry of Agriculture and Cooperatives (2023)


Business Plan Development

Mung Bean Business Plan Development Project, NSTDA


Using a Business Plan as a Research Tool

Graduate School Workshop, Faculty of Economics, KU (2017 – present)


Business Strategy Competition Judge

Innovative Agribusiness Project, Faculty of Economics, KU (2022)


Business Plan Judge

Business Model Competition: The Case of Pineapple, KU (2019)


Business Plan Judge

Business plan competition, KU (2017 – 2018)


Strategic Planning Judge

Agribusiness Strategic Plan Competition, Faculty of Economics, KU (2016)


Focus Group Moderator

The Economic Impact of Electronic Transactions on the Thai Economy, ETDA (2021)


Business Brotherhood Committee

Kasetsart Business Incubation Center (KBIC) (2021)


Session Chair

Graduate Research Conference, DPU (2016)


Session Chair

The Global Advanced Research Conference on Management and Business Studies 2014 (2014)

Guest Speakers

in Entrepreneurship, Business Management, and Academic topics

Qualitative Research for the Agricultural Sector

Office of Agricultural Economics, Ministry of Agricultural and Cooperatives (2023)


Conference Moderator: Digital Disruption and the Covid-19 Crisis

Kasertsart 60th Academic Conference, KU (2022)


Outcome Mapping for Electronic Transactions

Electronic Transactions Development Agency (ETDA) (2021)


Qualitative Data Analysis in Business and Economics

Faculty of Agro-Industry, KU (2021)


Entrepreneur Mindset for Rubber Farmer

Rubber Authority of Thailand, Suratthani (2019)


E-Business Value Creation for SME and New Entrepreneurs

Department of Industrial Promotion, Ministry of Industry (2018 – 2019)


Qualitative Research Methodology

Doctor in Business Administration Program, DPU (2016 – 2018)


Principles of Management

Master of Science in MIS, Thammasat Business School (2017)


Planning in Business Management

Master of Science in MIS, Thammasat Business School (2017)


Entrepreneurial Mindset in Agribusiness

Department of Agricultural and Cooperative, Patumtani (2017)


Entrepreneurship Opportunity in Agribusiness

Ministry of Finance Entrepreneur Conference, Phang-nga (2017)


Qualitative Research Methodology for Agribusiness

Graduate School Workshop, Faculty of Economics, KU (2017 – present)


Qualitative Methodology in Business Research

Asean MBA, DPU (2016)


The relationship between Knowledge Management and Organizational Citizenship Behavior

Ph.D. colloquium conference, AIT (2010)


Business Process Innovation

BBA, Prince of Songkla University (Phuket) (2007 – 2011)


Strategic Management

BBA, Prince of Songkla University (Phuket) (2009 – 2011)


Management Information System

BBA, Rajamangala University of Technology Thanyaburi (2006 – 2007)


Branding for SME

SME consultant training, Thailand Productivity Institute (2004)

Journal and Conference Reviewers

International Journal of Entrepreneurial Venturing

Entrepreneurship & Regional Development Journal

International Journal of Knowledge and Learning

Asian Journal of Applied Economics, Kasetsart University

Khon Kaen Agriculture Journal, Khon Kaen University

Journal of Business Administration and Social Sciences, Ramkhamhaeng University

The 3rd Ramkhamhaeng National Conference (RNCSB2019)

The Kasetsart University Annual Conference

The 9th Asian Society of Agricultural Economists International Conference (ASAE)

The Global Advanced Research Conference on Management and Business Studies (GARCOMBS) 2014


Contact

Address

Department of Agricultural and Resource Economics

Faculty of Economics, Kasetsart University

50 Ngamwongwan Rd, Lat Yao, Chatuchak, Bangkok 10900