Yoel Christopher Tjen

Dr. Yoel Christopher Tjen, B.B.A., M.B.A., M.H., M.Stat., MSIT., Ak., PFM, CMA, CRP, CRMP, CIB, CSA, CES, CHRM, CDM, CIFM, CIABV, CFFA, CFP. CPF, AEPP, QWP, Prince2 - •-• ORCID- • Scopus ID:- Education UNITAR International University Doctor of Philosophy (PhD) in Information Technology Selangor, Malaysia Expected Graduation: 2028 Universitas Trisakti Jakarta, Indonesia Doctor of Economics, Financial Management GPA:- – 2025 Thesis: The Impact of Fundamental Factors, Behavioral Finance, and ESG on Stock Returns of Companies Listed in the Kompas 100 Index Moderated by Debt-to-Equity Ratio IPMI Business School Jakarta, Indonesia Master of Business Administration, General Management, GPA:- – 2020 Thesis: Entrepreneurial Intention and The Moderating Role of Gender: Evidence from Sekolah Tinggi Management IPMI in Jakarta Universitas Islam Indonesia Yogyakarta, Indonesia Master of Statistics, Business Statistics, GPA:- – 2025 Thesis: Forecasting the Indonesia Composite Index (IHSG) Using ARIMA-GARCH and LSTM Methods During the Pre-, During-, and Post-COVID-19 Periods President University Cikarang, Indonesia Master of Science in Information Technology, Business Intelligence, GPA:- Thesis: Stock Price Prediction Using LSTM and XGBoost Based on Financial Ratios: A Study of Bank Central Asia Universitas Kristen Indonesia Jakarta, Indonesia Master of Laws, Business Law, GPA:- - 2024 Thesis: A Juridical Analysis of Violations of Article 19(c) of the Competition Law in Decision No. 15/KPPUI/2022 of the Business Competition Supervisory Commission Universitas Widyatama Accountant Profession Education, GPA: 3.72 Bandung, Indonesia 2021 – 2022 President University Bachelor of Business Administration, Finance Thesis: Business Plan Duitpedia Cikarang, Indonesia 2014 – 2018 Universitas Mpu Tantular Jakarta, Indonesia Bachelor of Laws, Civil Law Expected Graduation: 2026 Thesis: The Validity of Share Sale and Purchase Agreements Executed Through Nominee Arrangements Under Civil Law and Investment Law (A Study of Decision No. 375/PDT/2018/PT.DKI) Experience PT Diklat Standar Kompetensi Profesi President Director, Partner, Consultant, and Trainer Jakarta 2022 – Present 1 • • • Overseeing and managing all aspects of the company's operations and strategic direction. This includes setting organizational goals and objectives, developing business plans, and implementing strategies to achieve growth and profitability. Successfully trained over 1000 students from various banks and companies to obtain certification in the capital market, achieving a passing grade of 80%-90%, which exceeds the national passing rate of 23%. Providing expert advice and guidance to individuals, businesses, or organizations regarding their financial decisions and strategies that involve various aspects of finance, including investment planning, risk management, budgeting, tax planning, financial modeling, and financial goal setting. LSP Pasar Modal Indonesia, LSP Pasar Modal, International Financial Modeling Institute Jakarta Assessor of Competency 2018 - Present • Evaluating and assessing the knowledge, skills, and abilities of individuals working within the capital market industry. This assessment is typically conducted through examinations, tests, or other forms of evaluation to ensure that individuals possess the necessary competencies required to perform their roles effectively and in compliance with regulatory standards. • Developing assessment criteria, design examination materials, and administer tests to candidates. Also analyzing the results of assessments and provide feedback to candidates, identifying areas for improvement and areas of strength. • Assessing more than 1000 participants from various companies in financial industry to be recommended to the LSP Pasar Modal Indonesia, LSP Pasar Modal, and International Financial Modeling Instutute to get the financial certificates. Independent Consultant and Trainer • • • • Jakarta 2018 – Present Providing expert guidance and education in various aspects of finance, business, risk management, and capital markets. This includes offering strategic advice and solutions to individuals, businesses, or organizations on financial matters such as investment planning, portfolio management, budgeting, and financial risk assessment. Assisting clients in developing business strategies, evaluating market opportunities, and improving operational efficiency. Assisting clients on drafting financial modeling and valuation for the clients’ companies to enter the IPO. Developing and implementing enterprise risk management (ISO 31000) to help companies proactively manage risks and optimize opportunities to achieve their goals and objectives. PT Duitpedia Konsultan Keuangan Jakarta, Indonesia President Director 2019 – Present • Developing a comprehensive financial planning system to create a user-friendly and feature-rich financial planning app that helps individuals make informed financial decisions and achieve their financial goals. • Leading and overseeing all aspects of the company's operations and strategic direction. This includes setting the overall vision and goals for the startup, developing business plans and strategies to achieve growth and profitability, and ensuring that the company operates in compliance with relevant regulations and standards. • Building and managing the startup's team, fostering a culture of innovation and excellence, and cultivating relationships with investors, partners, and stakeholders. They are also responsible for securing funding, managing financial resources, and making critical decisions to drive the startup's success and sustainable growth. • Research and Publications Entrepreneurial Intention and the Moderating Role of Gender, 2021 (CEO Conference, IPMI) 2 • • • • • • • • • • • • • • • • • • Analisis Yuridis Implementasi Prinsip Hukum Terhadap Pembuktian Pasal 19 Huruf C UU Persaingan Usaha Pada Putusan Komisi Pengawas Persaingan Usaha Nomor 15/KPPU-I/2022, Sang Pencerah: Jurnal Ilmiah Universitas Muhammadiyah Buton, 2024 – DOI:-/pencerah.v10i3.5294 Determinants of Stock Return: Financial, Behavioral, Macroeconomic, and ESG Factors with DER as Moderator, DIJEFA, 2025 – DOI:-/dijefa.v6i5.5306 Do Market and Profitability Ratios Drive Stock Returns? Evidence from Kompas100, 2025 (ICNOOR XIII 2025 Conference, UII) Company Valuation and Portfolio Analysis Based on K-Means Clustering in Kompas 100 Stocks Index, 2025, Publication March 2026, Barangkeng: Jurnal Ilmu Matematika dan Terapan Q4 – DOI:-/barekengvol20iss1pp- Machine Learning Application for Company Profitability and Portfolio Analysis on Kompas100 Stock Index IDX Data Set Period- (Progress and Accepted at Journal of Indonesian Economy and Business Q3) Financial Ratio-Based Stock Price Forecasting: Comparative Insights From LSTM and XGBoost Models on Bank Central Asia (Progress and Accepted at IAENG International Journal of Computer Science Q3) LSTM-Based Forecasting of Southeast Asia’s Top Banking Stocks (Progress and Accepted at IAENG International Journal of Computer Science Q3) The Effect of Volatility and Feature Engineering on the Performance of LSTM and XGBoost Models: Empirical Evidence from BBCA and ARTO (Publication Progress at Ingéniere des Systémes d’Information, IIETA Q3) A Machine Learning Approach to NASDAQ Index Prediction: XGBoost Model with Moving Average and Lagged Price Features (Accepted Dataset Conference 2025) Forecasting Indonesia's Composite Stock Index (IHSG) with LSTM: A Decade of Data Analysis (Progress and Accepted at IT for Society, Sinta 5) Predicting UNVR Stock Returns with GRU-Based Deep Learning Models (Progress and Accepted at IT for Society, Sinta 5) A Random Forest-Based Forecasting Model for Malaysia’s KLSE Index Using- Data (Progress and Accepted at IT for Society, Sinta 5) Predicting Indonesia’s Stock Market Performance Using Support Vector Machine An Empirical Analysis of IHSG -) (Progress and Accepted at IT for Society, Sinta 5) Market Sentiment Extraction for Financial Risk Analysis: A Comparative Study of VADER, Random Forest, Naive Bayes, and SVM. 2025 (Publication Progress) Comparative Study of ML and DL Techniques for Sentiment Analysis A Case Study on Twitter. 2025 (Publication Progress) The Influence of Fundamental, Behavior Finance, Macroeconomics, and ESG on Stock Returns in Kompas 100, 2025 (Publication Progress) Measuring Stock Overconfidence and Overreaction Bias Using Normal Distribution: A Kompas-100 Case Study. 2025 (Publication Progress) Forecasting IHSG Using ARIMA-GARCH Models Before, During, and After the COVID-19 Pandemic. 2025 (Publication Progress) Professional Certification Wakil Penjamin Emisi Efek Badan Nasional Sertifikasi Profesi (BNSP) 2024 Wakil Perantara Pedagang Efek Badan Nasional Sertifikasi Profesi (BNSP) 2024 Wakil Manajer Investasi Badan Nasional Sertifikasi Profesi (BNSP) 2024 3 Capital Market Risk Management Badan Nasional Sertifikasi Profesi (BNSP) 2024 Assessor Competency Badan Nasional Sertifikasi Profesi (BNSP) 2019, 2022, 2025 Certified Management Accountant ICMA Australia Badan Sertifikasi Manajemen Risiko (BSMR) Level 1 – Level 5, LSP BSMR - – 2022 Wakil Perantara Pedagang Efek LSP Pasar Modal Indonesia (LSPPMI) Badan Nasional Sertifikat Profesi (BNSP) 2022 Prince2 Axelos Global 2022 Train the Trainer (TOT) Level 4 – Level 6, Master Trainer, LSP Instruktur Nasional, BNSP 2020 – 2021 Certified International of Asset and Business Valuation (CIABV) Quantum HRM International 2021 Certified International of Financial Management (CIFM) Quantum HRM International 2021 Wakil Penjamin Emisi Efek The Indonesia Capital Market Institute (TICMI) 2019 Wakil Perantara Pedagang Efek The Indonesia Capital Market Institute (TICMI) 2018 Wakil Manajer Investasi The Indonesia Capital Market Institute (TICMI) 2019 WAPERD APRDI 2017 Certified Personal Finance (CPF) FFA Institute 2019 Certified Family Financial Advisor (CFFA) FFA Institute 2019 Professional Financial Modelier (PFM) International Financial Modeling (IFMI) 2019 Assessor Competency Badan Nasional Sertifikasi Profesi (BNSP) 2019 Certified Securities Analyst (CSA) 4 Lembaga Sertifikasi Profesi Pasar Modal (LSP PM), BNSP 2020 Certified Investment Banking (CIB) Lembaga Sertifikasi Profesi Pasar Modal (LSP PM), BNSP 2018 Certified Equity Sales (CES) Lembaga Sertifikasi Profesi Pasar Modal (LSP PM), BNSP 2018 Certified Risk Management (CRP) Lembaga Sertifikasi Profesi Pasar Modal (LSP PM), BNSP 2018 Certified Risk Management Professional (CRMP) LSP Manajemen Risiko, BNSP 2018 Certified Risk Management Officer (CRMO) LSP Manajemen Risiko, BNSP 2018 Certified Human Resources Manager (CHRM) LSP MSDM, BNSP 2021 Certified Digital Marketing (CDM) LSP Digital, BNSP 2021 Certified Financial Planner (CFP) Financial Planning Standard Board (FPSB) 2017 Qualified Wealth Planner (QWP) Financial Planning Standard Board (FPSB) 2017 Associate Estate Planning Practitioner (AEPP) Financial Planning Standard Board (FPSB) 2017 Brevet A and B LPK Zap International 2022 SAP Finance Universitas Widyatama 2022 SAP Fundamental Universitas Widyatama 2022 • • • • • • • • • Basic Accounting Management Accounting Financial Accounting Business Statistic Statistic for Research Time Series Statistic Econometric Basic Data Science Financial Statistic Teaching Expertise • Corporate Finance • Financial Management • Environmental, Social, Governance (ESG) • Portfolio Management • Investment Analysis • Project Management • Enterprise Risk Management • Financial Risk Management • Corporate Financial Strategic 5 • • • • • • • • • • Entrepreneurship Strategic Management Research Method Business Law Capital Market Law Competition Law Business Valuation Capital Market Artificial Intelligence Deep Learning • • • • • • • • • • Organization Himpunan Pengusaha Muda Indonesia (HIPMI) Committee – Finance Division Asosiasi Analis Efek Indonesia (AAEI) Committee – Education Division Macro Economics Micro Economics Alternative Investment Wealth Management Personal Financial Planning Financial Modelling and Valuation International Business Machine Learning Data Visualization Forecasting Present Present Language Bahasa Indonesia – Native English – Advance – TOEFL EPT (2022): 578/-. Contact Reference Prof. Dr. Bahtiar Usman, SE., MM. – Professor of Economics and Finance, Trisakti University - (Relationship: Principal Supervisor of the Doctoral Program in Finance, Trisakti University). Prof. Dr. Willy Arafah, MM., DBA. – Head of Doctoral Program in Economics, Trisakti University - (Relationship: Head of the Dissertation Defense Committee, Trisakti University). Dr. Hasanul Fahmi Zuhri, S.Kom., M.Kom. – Lecturer at President University - (Relationship: Thesis Advisor for the MSIT Program, President University). Dr.techn. Rohmatul Fajriyah, S.Si., M.Si. – Head of the Master of Statistics Program, Islamic University of Indonesia - (Relationship: Thesis Advisor for the M.Stat. Program, UII). Dr. Ir. Firdaus Basbeth, M.M – Lecturer at PPM Management - (Relationship: Head of Department and Thesis’ Mentor MBA at IPMI Business School). Dr. Hans Kwee, S.E., M.E., M.A. – Indonesian Capital Market Figure, Member of the OJK Supervisory Board, and Lecturer in the Master of Economics Program at Atma Jaya Catholic University of Jakarta - (Relationship: Business Partner at PT Diklat Standar Kompetensi Profesi); 6