Junsik Hwang Email & Phone Number

Stockholm, Stockholm County, Sweden

South Korea

Led a machine learning team of 6 ML engineers to explore ML opportunities in various fields at Nexon - A ML-based in-game CAPTCHA using Adversarial Attack algorithms to disturb CNN-powered bots - Game image resource generation using Pix2Pix, CycleGan, SinGan, ConSinGan, etc - CV summarisation & pass/fail prediction model for HR - supervised learning models that predict long term users’ churn & in-game purchase - Prototype RL gym & agent using Nexon’s game IPDevelop algorithms and products that classify abusive behaviour/bot: - CNN model that classifies wallhack screenshots and pinpoint suspected regions Presented at GDC 2019 (ML Tutorial: Beating Wallhacks using Deep Learning with Limited Resources) - Abusive in-game chat classifier using Recurrent Neural Network - RNN model that finds bot users with randomly generated character names - Predictive machine learning model using KNN for early-stage bot prevention - cosine-similarity based model that finds users with bot-like behaviours - network-based model that tracks bot-users in-game currency remittance to strike bankersDesign and build dashboard prototypes for rapid evaluation of model performance and business values - develop core functions iteratively to meet the needs of the dashboard users (game managers) - build data processing pipeline with Apache Spark and dashboard prototypes with R Shiny - design the team's data processing pipeline and protocols to automate non-core activities

Gangnam-Gu, Seoul, Korea

handles wifi-signal data and delivers retail business insight

Gangnam-Gu, Seoul, Korea

Established social marketing and fine-tuned PR strategies based on data-driven insights for multinational consumer product companies by analysing social and semantic network data.Designed short and long-term goals and strategies for Statistics Korea in harnessing big data in national statistics by combining internal needs and latest global trends.Developed innovation plans for a top-tier Korean engineering graduate school by conducting quantitative survey analysis and field research.

Mapo-Gu, Seoul, Korea

Focused on accelerating the growth of SomNote, the syncing note application service of the company.- Defined the core target users and approached them via various on/offline channels to figure out their needs.- Set up growth strategies based on the funnel chart and defined specific statistic goals to diagnose the operation effectiveness.- Re-designed the general meeting process to boost internal information sharing and strengthen inter-departmental cooperation.- Contributed to reaching 1.5 million number of app downloads, and increasing the average number of new users by 493%.

Mapo-Gu, Seoul, Korea

Created an innovative cocktail bar business model which could make cocktail culture in Korea more popular and mature. - Invented the concept of a ‘cocktail tasting bar’ with a “minimised” cocktail service. - Ran a prototype bar/cafe for 4 months in order to test the idea, gaining critical insights on user experience and customer service. - Established a management information system which produced useful managerial information for making major business decisions. - Received numerous positive responses from 200+ customers about the new service and successfully raised 30 million KRW for the next prototype.

Gangnam-Gu, Seoul, Korea

Participated in corporate rebranding and communication projects with Interbrand Zurich and London office. - Supported inter-branch collaboration processes by translating critical business documents. - Actively participated with team meetings to contribute to the team performance. - Gained understanding on how global projects were organised and processed.

Korea

Led a team of 8 interns to manage and update database of 100+ clients for 2010 annual audit - Streamlined processes by reorganising database managing tasks and utilising IT expertise - Increased productivity by seamlessly preparing official documents for senior accountants - Received an Excellent Intern Award

London, United Kingdom

Marketer, Marketing Division Established marketing and PR strategies for the film festival and various networking events - Analysed customer segments and adjusted marketing strategies to target heavy users Proactively suggested various ideas to increase market recognition by analysing customers - Suggested community marketing campaigns for children to experience film industry - Analysed well-known international film festivals’ websites and provided suggestions in designing festival websites and brochures Administrator, Administration Division Closely worked with Festival Director to organise the film festival which accommodated 1000+ audiences that generated £1,000+ net profit - Assisted festival director on designing and managing festival processes - Analysed festival database and produced meaningful results for the annual statement Collaborated with PR department to organise various networking sessions with 400+ guests

Bachelor'S Degree, Business, 3.75

Activities and Societies: Global Management Track (Vice President) C.O.D: Let your vision be heard (Vision Director) Y.D.T: Yonsei Debate.

Exchanges Student In Management, Management

Activities and Societies: Student In Free Enterprise (Project Leader) Exchange Student