Experience

Embark Studios
• Sweden
• Computer Games
• 200 - 300 Employee
• Machine Learning Engineer

  • Aug 2020 - Present


Nexon Korea

• South Korea
• Computer Games
• 400 - 500 Employee

• Machine Learning Engineer

  • Jul 2016 - Aug 2020

  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 IP Develop… Show more 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 IP Develop 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 bankers Design 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 Show less 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 IP Develop… Show more 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 IP Develop 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 bankers Design 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 Show less



ZOYI

• China
• Sporting Goods Manufacturing

• Senior Analyst

  • Aug 2015 - Jun 2016

  handles wifi-signal data and delivers retail business insight handles wifi-signal data and delivers retail business insight



Ars Praxia

• Data Analyst / Consulting Division

  • Dec 2013 - Aug 2015

  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… Show more 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. Show less 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… Show more 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. Show less



Wizard Works

• United States
• Graphic Design

• Business Development Manager

  • Jan 2013 - Oct 2013

  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… Show more 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%. Show less 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… Show more 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%. Show less



SIUM

• Netherlands
• Writing and Editing
• 1 - 100 Employee

• Managing Director

  • Jan 2012 - Aug 2012

  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… Show more 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. Show less 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… Show more 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. Show less



Interbrand Korea

• Intern

  • Jan 2012 - Apr 2012

  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. 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.



PwC Korea

• Intern

  • Jan 2011 - Feb 2011

  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 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 Iranian Film Festival

• Entertainment Providers
• 1 - 100 Employee

• Intern

  • Oct 2010 - Jan 2011

  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… Show more 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 Show less 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… Show more 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 Show less