Hi, I'm Giffan.
Data Analyst Enthusiast focused on Business Intelligence, Operations, and Quality Improvement
Turning complex business & operational data into actionable insights to improve efficiency, reduce errors, and support better decision-making.Specialized in Data Automation • Business Analytics • Process Optimization
About Me
Unlocking Insights & Optimizing Operations
I am a Statistics graduate from Institut Teknologi Sepuluh Nopember (ITS) with hands-on experience in data analytics, reporting, and process automation through operational internships at Perum BULOG and PT PELNI.
Proficient in Python, SQL, R, and Excel, I specialize in data processing, visualization, machine learning, and statistical analysis, applying these skills to real-world problems including NLP, time series forecasting, and service quality monitoring.
I am passionate about building data-driven systems that transform complex data into actionable insights, and I am actively seeking opportunities in Data Analytics, Business Intelligence, and Operations Analytics.
Technical & Soft Skills
Core CapabilitiesA comprehensive toolkit acquired through academic rigor and hands-on industry experience.
Data Analysis & Programming
- Python (Pandas, Selenium)
- R (Skripting, Shiny)
- Excel
- SQL
Statistical Methods
- Statistical Quality Monitoring
- Time Series Forecasting
- Natural Language Processing
- Deep Learning & Machine Learning
Automation & Tools
- Google Apps Script
- MySQL Workbench
- SPSS
- SAS
Soft Skills
- Event Planning
- Public Speaking
- Stakeholder Communication
- Leadership
Professional Experience
Professional JourneyHands-on experience delivering data-driven solutions, automation systems, and strategic insights across real-world operational environments.
Operations & Logistics Analyst Intern
March 2026 – May 2026Perum BULOG – Madiun Branch Office
Supported national food logistics, commodity distribution, and operational reporting through data recording, dashboard monitoring, and ERP workflow exposure.
Statistical Data Analysis Course Assistant Lecturer
August 2025 – December 2025Department of Statistics ITS – Surabaya, Indonesia
Delivered statistical computing instruction and guided undergraduate students through hands-on data analysis, debugging, and real-world application workflows.
Commercial & Passenger Transport Operations Intern
July 2025PT. PELNI (Persero) – Surabaya Branch Office
Automated core operational reporting workflows and processed multi-voyage transport data to optimize operational efficiency and data structure.
Organizational Experience
Strategic roles driving communication, team management, and event execution at scale.
Selected Projects
Data & System ProjectsA showcase of data analytics, forecasting models, and operational automation systems.
AI-Driven Service Quality Monitoring (Bachelor's Thesis in Statistics)
Transformed 3,500+ user reviews into measurable service quality metrics using NLP and deep learning.
Impact / Focus
Identified critical service issues & enabled data-driven quality improvement.
PELNI Logistics Reporting Automation
Automated passenger & logistics reporting into structured monthly operational insights.
Impact / Focus
Reduced manual reporting effort & minimized operational errors.
Bitcoin Price Forecasting (ARIMA vs LSTM)
Compared statistical and deep learning models for cryptocurrency price prediction.
Impact / Focus
Demonstrated LSTM superiority on volatile market data.
Stock Price Forecasting (LSTM, RNN, NNAR)
Benchmarked multiple neural network models on 10-year NASDAQ stock data.
Impact / Focus
Showed model performance depends on volatility & data structure.
Forest Cover Classification & Dashboard
Classified forest cover types using machine learning and deployed results in an interactive dashboard.
Impact / Focus
Achieved 86% accuracy & enabled interactive environmental data exploration.
Greckstore Database System
Designed a normalized relational database system for retail operations.
Impact / Focus
Improved data structure & enabled automated business processes.
Education
Academic FoundationA continuous journey of building analytical thinking, structured problem-solving, and real-world perspective.
Institut Teknologi Sepuluh Nopember (ITS)
Bachelor of Statistics (S.Stat)
Graduated Cum Laude with coursework in Machine Learning, Time Series, SQC, and Database Systems. Thesis focused on NLP multi-label classification and Demerit Control Charts for PELNI Mobile service quality monitoring.
SMA Negeri 2 Madiun
Senior High School (Acceleration Program - Natural Sciences)
Completed national high school curriculum in an accelerated 2-year program. Awarded Best Scientific Paper in school competition for research development and structured analytical writing.
Certificate
Continuous learning through curated programs and applied training.
ITS EFL (English Foreign Language) Test
Global Language Centre ITS · (2026 - 2028)
Technical Assessment: Business Analyst (T1)
Valitrait.ai · (2026 - 2027)
Google Ads Search Professional Certification
Google Skillshop · (2026 - 2027)
Membangun Aplikasi Gen AI dengan Microsoft Azure
Dicoding Indonesia · (2026 - 2029)
Penerapan Data Science dengan Microsoft Fabric
Dicoding Indonesia · (2026 - 2029)
Belajar Dasar Structured Query Language (SQL)
Dicoding Indonesia · (2026 - 2029)
Recognized for Research & Analytical Contribution
Selected through national-level evaluation, reflecting strong ability in translating statistical analysis into meaningful insights.
National Incentive Awardee (PKM-AI) 2024
Program Kreativitas Mahasiswa by Direktorat Pembelajaran dan Kemahasiswaan - Kemendikbudristek RI
Project: Social Vulnerability Assessment of Indonesia’s Complete Systematic Land Registration (PTSL)
Let's Connect
I am open to opportunities in Data Analytics, Monitoring & Quality Control, Business Intelligence, and Operations, especially roles involving data-driven decision making and process improvement. Feel free to reach out to discuss potential collaborations!