Nachum Shacham, Ph.D

Data Scientist

nachum • at • nachumshacham • dot • com


Over 20 years hands-on experience in developming models and technologies for extracting financial value from data
> Financial models for big data systems
> Service management methods and metrics for big data RDBMS and Hadoop
> Predictive models for big data
> ROI optimization for online ads (SEM and display)
> Deal management and pricing optimization in B2B trade
> Design and performance modeling of algorithms for mobile networks and distributed applications
> Designed and implemented the algorithms, statistical models, and data mining methods underlying the technologies
> Led complete development cycles from business requirements, data extraction and conditioning, model development, solution implementation, and measurement of ROI of the deployed solutions.

Analysis of Big-Data and MPP Platforms

Distinguished Researcher, eBay
Financial and performance models for large scale processing systems:
> Hybrid cloud computing: Financial models and deployment tradeoffs
> Integrated analysis of big data MPP RDBMs and Hadoop: Service-oriented KPIs and processing cost models
> Methods for analyzing large scale structured and semi structured data using R

Revenue Management in Online Advertising

Principal, AdGlean
Designing and implementing statistical and data mining techniques for online applications:
> Optimizing ad performance over multiple channels
> Large scale multiple statistical comparisons
> Multivariate scoring > Implementing models in R & Python

Sr. Director, Algorithms, Efficient Frontier-- the leader in Search Optimization Marketing (SEM).
Led the Algorithms team, developing methods for maximizing ROI of advertisers on search engines:
> Statistical models for ad performance
> Methods for ascertaining models' performance
> Algorithms for optimal keyword bidding and management of campaigns

Principal, Allocad LLC
Developed tools for publishers to maximize monetization of online display ads
> Statistical modeling of publishers' data
> Algorithms for recommending profitable ad-space allocation and optimal pricing.
> Methods for extracting values from segments of the site
> Visualization of multisource click and revenue data

Worked with a large and small publishers
> Retrieving and analyzing traffic and revenue data
> Identifying revenue lifting potential of various site segments
> Interacting with ad buyers on behalf of publishers

Price Optimization in B2B Markets

CTO and co-founder of Metreo -- VC-funded (Sequoia, Redpoint, USVP)
> Built statistical models and optimization algorithms for B2B pricing
> Designed algorithms for deal optimization
> Created optimal pricing models and practices for F100 companies (incl GE and Honeywell)
> Designed ROI testing methods and measured in the field profit uplift impact of optimal pricing
> Worked with corporate customers, led solution customization projects, and measured ROI lift of deployed solutions

Internet Infrastructure and Applications

Principal Scientist and Director of the Telecomm Theory and Technology group at SRI International
Developed some of the original internet algorithms, protocols, and systems up and down the IP protocol hierarchy, mostly as a Principal Investigator under DARPA funding
> Packet Radio
> Packet Speech
> Real-Time Multimedia Teleconferencing
> Reliable real-time transport.

Areas Of Expertise

> Online advertising monetization: revenue optimization; and inventory allocation models, algorithms, & systems
> Statistical modeling, machine learning, and data mining techniques for big data
> Map reduce programming in R, Python, Java & Hive
> Data visualization methods
> Collection, conditioning, and integration of data for revenue management decision support
> Development of pricing algorithms and practices with applications to B2B trade and direct sales of online ads
> B2B pricing, revenue management, and deal management
> Design and execution of methods for measuring ROI of pricing-actions
> Design of web-based technologies and applications
> Design and analysis of internet protocols and their performance models
> Management of R&D teams. Leading technology projects from inception to product
> Advanced working level in R, PHP, Python, SQL, PERL, S-Plus, Matlab, Java, Javascript, C, HTML & XML

Some Other stuff
> Elected Fellow of the IEEE
> 5 US patents

Professional Activities
> Program chair for IEEE INFOCOM'91, & Chairman of IEEE 1991 Annual Computer Communication Workshop.
> DARPA Overseeing Committees: Multi Satellite System Project, and High Speed Network Program.
> Elected Chairman of IEEE Communications Society's Technical Committee on Computer Communications.
> Editor for Network Architecture, IEEE Trans. Communications. Member Editorial Board, IEEE/ACM Trans. Networking.

> UC Berkeley: Communications Theory (grad courses)
> Stanford: Networks Theory and Protocols (grad courses)
> eBay: Data analysis using R


> B.Sc.EE (cum laude) Technion, Israel Institute of Technology
> M.Sc.EE Technion, Israel Institute of Technology
> Ph.D. EECS University of California, Berkeley

Over 80 publications in archived Journals, including: IEEE Trans. Communications, IEEE Journal on Selected Areas in Communications, IEEE Trans. Computers; and in refereed conferences proceedings, book chapter, technical reports.