Image of Shih-Ho Cheng

Shih-Ho Cheng

Data Scientist / Data Science Manager

Data Science/Engineering Manager at Airbnb

San Francisco, California, United States

Section title

Shih-Ho Cheng's Email Addresses & Phone Numbers

Shih-Ho Cheng's Work Experience

Airbnb

Data Scientist / Data Science Manager

July 2014 to Present

if(We) (formerlyTagged)

Sr. Data Scientist

February 2014 to July 2014

if(We) (formerly Tagged)

Data scientist I

August 2013 to February 2014

Shih-Ho Cheng's Education

Penn State University

Doctor of Philosophy (Ph.D.) Physics

2007 to 2013

University of Virginia

B.S. Physics with distinction

2002 to 2006

About Shih-Ho Cheng's Current Company

Airbnb

I lead the data science team supporting online risk, platform security, and compliance. - Developed machine learning models for online risk mitigation - Devised session aggregation method to summarize sequential information into session events - Developed and prototyped batch models with computing intensive feature engineering

About Shih-Ho Cheng

📖 Summary

Data scientist with experience in machine learning, experimentation, and statistical analysis.Data Scientist / Data Science Manager @ I lead the data science team supporting online risk, platform security, and compliance. - Developed machine learning models for online risk mitigation - Devised session aggregation method to summarize sequential information into session events - Developed and prototyped batch models with computing intensive feature engineering From July 2014 to Present (1 year 6 months) Sr. Data Scientist @ - Team lead for the analytics and eCrime team in the Security and Risk Management group - Designed, prototyped and evaluated an event-driven and graph-based algorithm for user reputation assessment - Designed the first prototype of a message clustering model for the identification of spam messages - Improved the MeetMe security behavioral model with new feature selection - Tested and analyzed the impact of different rate limiting penalizations in MeetMe, messages, and newsfeed posts From February 2014 to July 2014 (6 months) Data scientist I @ - Designed and prototyped the current real-time MeetMe Security behavioral model in Twitter-Storm - Developed a graph-based spammer identification procedure - Created several security metrics for executive reporting and internal tracking - Regularly Mined Hadoop and PostgreSQL for recommending new security implementations - Designed and developed the x-fold coincidence detection algorithm to identify abnormal user registrations From August 2013 to February 2014 (7 months) Insight Fellow @ An intensive six-week postdoctoral training fellowship bridging the gap between academia and data science. Insight Project: Early Scam Detection - Developed and deployed a web-app using Python, Mysql, Flask, Twitter-Boostrap, jQuery and AWS to detect fraudulent on-line apartment classified posts. - Implemented Balanced Random Forest in Python to train highly imbalanced training set where sample minority was only 1% of the set. - Achieved recall and precision rates above 70%. From June 2013 to August 2013 (3 months) Research Assistant (in Computational High Energy Astro-Particle Physics) @ - Developed and analyzed methods of anomaly detection for cosmic ray data - Developed analytic software in C++, Python, and R to perform several statistical analysis on large-scale data from the Pierre Auger Observatory - Developed Monte Carlo and numerical methods to obtain a statistical robust calculation of the surface detector angular resolution - Implemented several machine learning algorithms to investigate the classification of proton/iron cosmic rays primaries - Performed clustering analysis on Monte Carlo simulations and the observed data - Gave several presentations at international conferences. From February 2010 to May 2013 (3 years 4 months) State College, Pennsylvania AreaResearch Assistant (in Experimental Condensed Matter Physics) @ - Synthesized graphene fluoride (CF) by exposing graphene to CF4 plasma. Characterized CF and defluorinated CF with atomic force microscopy, X-ray diffraction, and micro-Raman spectroscopy - Designed and fabricated nano-devices out of CF and defluorinated CF using e-beam lithography and metal deposition. Measured their low temperature transport properties under magnetic field - Performed data analysis of the transport measurements From May 2008 to February 2010 (1 year 10 months) State College, Pennsylvania AreaTeaching Assitant for Phys 211 and Phys 212 @ - Taught the recitation and lab sections for PHYS 211 and PHYS 212 From August 2007 to January 2009 (1 year 6 months) State College, Pennsylvania AreaDoctor of Philosophy (Ph.D.), Physics @ Penn State University From 2007 to 2013 B.S., Physics with distinction @ University of Virginia From 2002 to 2006 Shih-Ho Cheng is skilled in: Python, Machine Learning, Monte Carlo Simulation, R, Computational Physics, Statistical Modeling, Statistics, Linux, MySQL, Scientific Computing, C/C++ STL, Numerical Simulation, Unix, Awk, Multivariate Statistics


Shih-Ho Cheng’s Personal Email Address, Business Email, and Phone Number

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Frequently Asked Questions about Shih-Ho Cheng

What company does Shih-Ho Cheng work for?

Shih-Ho Cheng works for Airbnb


What is Shih-Ho Cheng's role at Airbnb?

Shih-Ho Cheng is Data Scientist / Data Science Manager


What is Shih-Ho Cheng's personal email address?

Shih-Ho Cheng's personal email address is s****[email protected]


What is Shih-Ho Cheng's business email address?

Shih-Ho Cheng's business email addresses are not available


What is Shih-Ho Cheng's Phone Number?

Shih-Ho Cheng's phone (213) ***-*363


What industry does Shih-Ho Cheng work in?

Shih-Ho Cheng works in the Internet industry.


Who are Shih-Ho Cheng's colleagues?

Shih-Ho Cheng's colleagues are Jonathan Ross, Maggie Jarley, Tony Gamboa, James Nichols, Liyin Tang, Zoe Rosenblatt, Luda Zhao, Katherine Chabolla, RAVI SEN, and Nicolas Haunold


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In a nutshell

Shih-Ho Cheng's Personality Type

Extraversion (E), Intuition (N), Feeling (F), Judging (J)

Average Tenure

1 year(s), 4 month(s)

Shih-Ho Cheng's Willingness to Change Jobs

Unlikely

Likely

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Shih-Ho Cheng's Social Media Links

shihho.wor... github.com
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