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Academic Background

Doctor of Philosophy (PhD) – UPM 2/2011 – Applied Mathematics, Operations Research and Data Analysis

Master of Science (MSc) Azad Uni. 1/2006 – Applied Mathematics, Operations Research and Data Analysis

Bachelor of Science (BSc) Azad Uni. 8/2003 – Applied Mathematics, Operation Research, Programming


California Real Estate License – Cal.DRE # 02110788  Feb 2020

Certificate of basic and advanced SAS Programming SAS-Coursera 2019 -  SAS Programming, Merge multiple Data Tables, Macros, Do Loop, Conditional Statements, Data Mining, Visualization, Forecasting, SQL in SAS

Certificate of “Data Science using R"   J.Hopkins University (Online-Coursera) 2016 – R Programming, Visualization, Matching and Merging, Machine Learning, SQL using R, Forecasting, Text Analysis 

Software and Programming Skills SAS, R, C, C++, MatLab, Python, MySQL, SQL, Machine Learning, SPSS, AMOS, Tableau, Power BI, SAP Analytics, Excel, JMP Pro

RESEARCH INTERESTS

Quantitative Methods (Data Science, Big Data, Multivariate Statistics, Data Analysis & Research Methods)


Real Estate Economics and Financial Analysis (Financial models of Real Estate and Investment Risk)

Decision Making & Modeling (Forecasting, Data Mining, Modeling Real World Problems & Decision Making)

Efficiency Analysis with Multiple Inputs & Outputs (Optimization, Linear & Non-Linear Programming)


WORK EXPERIENCE

Founder of RadZ Consulting - Business Analytics and Management Consultant – Helping private and public sector to make data driven decisions using mathematical and statistical modeling, programming, data analysis dashboard  - Providing staff training and software development (Jan 2014 - Present)

Real Estate Consultant - REALTOR - Codwell Banker Realty - Providing clients with Real Estate services (July 2020-present)

Analytics Specialist  – State of California (June 2019 - Present)


Lecturer (Part time) - College of Business - California State University  - Teaching Data Analysis for Managers, Operations Management, Business Data Analysis


College Professor - various Colleges & Universities (Jan 2005 - Present) Taught the following courses: "Advanced R Programming", Matlab Programming, Operations Research, Numerical Analysis, Project Management, Data Analysis for Managers, Operations Management, Business Data Analysis, Basic Statistics, Calculus, Differential Equations, Probability and Statistics, Business Mathematics, Advanced Research Methods, Quantitative data analysis - contact Adrian for details and copies of contracts

Previous Positions:


Assistant Professor (8 semesters Part time & 2 semesters Full time) Los Rios Community College - Jan 2014 - Aug 2019 - contact Adrian for details and copies of contracts  

Lecturer -  Department of Mathematics and Statistics - California State University  - Teaching Calculus, Differential Equations, Statistics

Assistant Professor of Mathematics (Full time)  Sunway University Business  School, Aug 2013 – Dec 2013

Lecturer, Mathematics and Statistics (Full time) Graduate School of Hospitality and Tourism, Taylors University,  2011 – 2013

Research Assistant, Graduate research assistant (scholarship), Science Fund (04-01-04-SF0123, Vot no: 5450234). July 2007 - Feb 2011 UPM 

Mathematics Instructor  9/ 2006 – 6/ 2007 Organization: Payame Noor University, Tehran, Iran.

Lecturer, Mathematics Instructor   9/ 2006 – 6/ 2007 Organization: Azad University, Saveh, Iran.

Lecturer, Mathematics Instructor  9/ 2005 – 7/ 2006 Organization: Azad University, Saveh, Iran.


LEADERSHIP

Founder and Director of RadZ Consulting (Jan 2014 - Present) - Providing Business consulting services to public and private sector - Staff training and software development

Editor in Chief,  Journal of Mathematical Modeling and Operations Research, Radz Publishing, California USA  (Jan 2014 - 2019)

Editor in Chief,  American Journal of Business, Finance and Economics, Radz Publishing, California USA  (Jan 2014 - 2019)

Chairman, 3rd   Graduate Research Colloquium ( 3rd GRC 2012)  in Hospitality & Tourism, Held on 29 June 2012,  Taylors Graduate School , Taylors University

Chairman, 4th  Graduate Research Colloquium (4th GRC 2012)  in Hospitality & Tourism, Held on 29 Nov. 2012, Taylors Graduate School , Taylors University, Subang Jaya, Malaysia

Scientific Committee, 4th Asia-Euro Conference 2012 in Tourism, Hospitality and Gastronomy, The Way Forward: Exploring Multidisciplinary Approaches, 28 November - 1 December, 2012, Taylors University (in collaboration with University of Toulouse-Université de Toulouse de Mirail), Subang Jaya, Malaysia.

Editorial Board   “Asia-Pacific Journal of Innovation in Hospitality and Tourism” (2011-Current), Centre for Research and Innovation in Tourism, Hospitality and Food Studies (CRiT), Taylor’s University, Malaysia.


PUBLICATIONS

Books

Business Analytics using "R & SQL" – under revision for publication 

Uncertainty & Fuzziness in Performance Evaluation Using DEA (Book) – Lap Lambert Academic Publishing 2011. (available: AMAZON and Barnes&Noble)

 Journal Papers

 W. Y. Tang, Application Of ServPerf Model To Analyze Service Quality Of Hotels In Beihai City, China, The International Journal of Hospitality Management, Under Revision.

Fuzzy Categorical DEA Model to Compare Hotels with Interval Efficiency Values: Kuala Lumpur Case Study, The International Journal of Hospitality Management, Under Revision.

 An efficiency evaluation problem including fuzzy weights. Malaysian Journal of Mathematical Sciences, 8(S), 61-70. (Indexed in SCOPUS (Elsevier), ISC, EBSCO, Zentralblatt Math (Impact factor : site per doc 1.22 - SJR 0.24)

Cost Minimization in Hotel’s Service Recovery, Applied Mathematical Sciences (2013), 7(91), 4531 - 4534. (cited 2 times) (Indexed in SCOPUS, Impact factor: site per doc 0.41- SJR 0.22)

 A Categorical Fuzzy DEA Method to Evaluate Efficiency of Hotels Based on Stars Rating, Applied Mathematical Sciences (2013), 7(73), 3625 – 3628.  (Indexed in SCOPUS, Impact factor: site per doc 0.41- SJR 0.22)

 A Technique For Solving Multi Category Decision Making Units Using DEA (2011), Australian Journal of Basic and Applied Sciences, 5(12): 172-178, (Impact factor 0.41,  ISI & Indexed)

Interval efficiency scores using a new method in fuzzy data envelopment analysis, (2010) Advances in Fuzzy Sets and Systems, 6(1) 1-12. Indexed

Fuzzy weights in data envelopment analysis, (2010) International Mathematical Forum, 5(38) 1871-1886. (ISI & Indexed) (cited 4 times)

Fuzzy Non-Discretionary Variables in DEA (2010), International Journal of Information Science & Computer Mathematics, 2(1) 1-7. Indexed

 Conferences Proceedings

Presented "USING DATA ENVELOPMENT ANALYSIS TO INCREASE EFFICIENCY OF CHAIN BUSINESSES " at The 38th Annual Institute on Research and Statistics (held on Friday, May 5, 2017) , California State University, Sacramento (CSUS) 


Efficiency Evaluation and Ranking of Manufacturing Designs with Unmanageable Factor Using a Fuzzy Data Envelopment Analysis Model, Proceedings of the International Conference on Computer & Information Sciences,(ICCIS 2012)  University Technology Petronas, 2012. (978-1-4673-1938-6/12/$31.00 ©2012 IEEE) (Proceedings is indexed by IEEE & SCOPUS)

A New Categorical Data Envelopment Analysis Model to Compare Malaysian Hotels: A Fuzzy Efficiency Based Method, The 3rd International Conference on Tourism and Hospitality Between China Spain, Zhuhai, China (Springer ISBN 978-3-642-35909-5), Sun Yat-Sen University, China 2012.


Study Of Cost Effectiveness In Service Recovery Investment Of Luxury Hotel With Mathematical Approach, ICE 2011, Taylor's University.


A DEA model with uncertain weights in objective function and interval efficiency scores, (2010), Proceedings of Applied Mathematics International Conference & the 6th SIAM Conference 22-24 June 2010 PNB Darby Park Malaysia (AMIC 2010), pp. 193-203.


Comparing production methods using fuzzy data envelopment analysis, Proceedings of “Fundamental Science Congress” (FSC 2009), 2009, pp. 368-369.

A new method in fuzzy data envelopment analysis based on a more accurate fuzzy arithmetic, Proceedings of “Asian Mathematical Conference” (AMC 2009), 22-26 June 2009, pp. 47-54.


Journal Reviewer Committee

Journal Reviewer, European Journal of Operational Research (ELSIVIER), (On the need for reform of the Portuguese Judicial System - Does Data Envelopment Analysis assessment support it?)

Journal Reviewer Computers & Industrial Engineering (ELSIVIER),  (Measuring efficiency with selective convexity  and integer data in data envelopment analysis)

Journal Reviewer Computers & Industrial Engineering (ELSIVIER), (A fuzzy approach for the reviewer assignment problem)

Chairman & Editor Abstract & Proceedings CD, Third Graduate Research Colloquium (3rd GRC-2012) in Hospitality and Tourism, 29th June 2012, Taylor’s University.

Chairman & Editor Abstract & Proceedings CD, Fourth Graduate Research Colloquium (4th GRC-2012) in Hospitality and Tourism, 30th November 2012, Taylor’s University.

Member of Scientific Committee & Managing Editor of Reviewing Process 4th Asia-Euro Conference 2012 in Tourism, Hospitality, The Way Forward: Exploring Multidisciplinary Approaches,  28 November - 1 December, 2012,  Taylors University (in collaboration with University of Toulouse-Université de Toulouse de Mirail), Subang Jaya, Malaysia.

 

Certificates, License, Courses and Workshops

 California Association of Realtors - Certificate - Placer valley California Association of Realtors (PCAR) - 2020

Additional Courses : Financial Accounting - Microeconomics – Macroeconomics – Corporate Finance -  Econometric - Real Estate Finance, Real Estate Principals, Real Estate Practice, Real Estate Management, Real Estate Appraisal

Certificate of Advanced SAS Programming, SAS Coursera 2019 SAS Programming, including Data Management, Data Mining, Visualization, Report writing and Analysis, Forecasting, Using SQL in SAS, Excel in SAS and Big Data

Advanced Tableau Dashboard Design - EDD - State of California 2019 


Grant Writing Training, San Francisco State Uni., Summer 2018

SAP Analytics-Workshop 4 days - Business Analytics using SAP-Analytics – UW Milwaukee, Summer 2018 (including Data Mining, Big Data, Visualization, Time Series and Forecasting, Predictive Analytics, Text Analysis)

Data Science Certificate using R Programming (Machine Learning with R), John Hopkins Uni. 2016 (Online)

JMP Pro - SAS Workshop 2016 - California State University

GBI Workshop 2015 – California State University Chico, Subject: Introduction to SAP including: Enterprise Resource Planning (ERP), Business Process Integration (BPI) and Configuration (Config.) Lecturer: Thomas J. Wilder

Online Learning Workshop 2013 – Taylor's University Subject: E-learning and blended learning

Qualitative Research Methods Workshop 2012 - Taylor's University Subject: Qualitative Research

SPSS & AMOS (Multivariate Analysis and Structural Equation Modeling) 2011  


Student Supervision
Tang Wen Yu,  (MSc Supervisor) Comparing Service Quality Perception of Managers and Customers towards Customer satisfaction Graduate School of Hospitality & Tourism, Taylors University - Completed

Fereshteh Haddad MSc Supervisor Satisfaction and Decision - Making  in E-Tourism Graduate School of Hospitality & Tourism, Taylors University Completed

Hussain Hamid MSc Supervisor Understanding the role of operations management in sustainable development of Enclave Micro Island Tourism in the Maldives Graduate School of Hospitality & Tourism, Taylors University Completed

Niloufar- ossadat Bonakdar MSc Supervisor Comparison and Review of Ways to Achieve Happiness Among Iranian and Australian Tourists Graduate School of Hospitality & Tourism, Taylors University Completed

David Vijian Xavier MSc Supervisor Perception on Eastern Management and Western Management Styles in the Hospitality Industry in Malaysia Graduate School of Hospitality & Tourism, Taylors University Completed

Kamilla Chaldan- bayeva  MSc Supervisor The international legal framework for co-operation in the field of international tourism with the participation of the Republic of Kazakhstan Graduate School of Hospitality & Tourism, Taylors University Completed

Reena Fathimath  MSc Supervisor Special-branded-attention,  the new trend in attention to detail in the luxury brand resorts and its significance Graduate School of Hospitality & Tourism, Taylors University Completed

Maryam MSc Co-Supervisor Fuzzy DEA Universiti Putra Malaysia Completed

Chiew Bao Ling Bsc Supervisor Comparing The Needs Of Leisure Travellers Vs. Business Travellers School of Hospitality & Tourism and Culinary Art, Taylors University Completed

Mohamed Hussain Aalif Bsc Supervisor Sustainable Tourism-Community-Based Tourism School of Hospitality & Tourism and Culinary Art, Taylors University Completed

Rizma Rasheed Bsc Supervisor Sustainable Tourism-Tourist Destination Competitiveness School of Hospitality & Tourism and Culinary Art, Taylors University Completed

Tai Cai Jie Bsc Supervisor  School of Hospitality & Tourism and Culinary Art, Taylors University Completed

Yasir Mohamed Bsc Supervisor Global Contagion Effects On International Travel Patterns: The Case Of Indian Ocean Tsunami 2004 School of Hospitality & Tourism and Culinary Art, Taylors University Completed

Yao Jun Cheng Bsc Supervisor Investigating Destination Selection Criteria Of Senior Tourists  In Malaysia School of Hospitality & Tourism and Culinary Art, Taylors University Completed

Wong Shiun Yau Bsc Supervisor A Study Of Perspectives On Tourist Information Search: Case Of Kuala Lumpur Couples As The Context School of Hospitality & Tourism and Culinary Art, Taylors University Completed

Cheng Juan Bsc Supervisor A Study Of Youth Travllers' Motivation And Perception To Stay In Theme Hotels School of Hospitality & Tourism and Culinary Art, Taylors University Completed

Yu Wang Xue Bsc Supervisor The Factors Affect Mid-Income Choose Leisure Hotel In Kuala Lumpur School of Hospitality & Tourism and Culinary Art, Taylors University Completed

Tan Pei Joo Bsc Supervisor A Srudy On How Family Travellers Choose Their Destination When They Decide To Travel School of Hospitality & Tourism and Culinary Art,bTaylors University Completed

Chai Pei Yin Bsc Supervisor A Study On Social Factors Influencing Traveling Behaviour Of Youth Travelers In Kl School of Hospitality & Tourism and Culinary Art, Taylors University Completed