Moshe (Mark) Rayman
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Moshe (Mark) Rayman Email & Phone Number

NLP Development Lead at Citi Innovation Lab TLV at Citi
Location: Israel 15 work roles 3 schools
1 work email found @citigroup.com 3 phones found area 646 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Work email m****@citigroup.com
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Current company
Role
NLP Development Lead at Citi Innovation Lab TLV
Location
Israel
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Moshe (Mark) Rayman is listed as NLP Development Lead at Citi Innovation Lab TLV at Citi, a with 201877 employees, based in Israel. AeroLeads shows a work email signal at citigroup.com, phone signal with area code 646, and a matched LinkedIn profile for Moshe (Mark) Rayman.

Moshe (Mark) Rayman previously worked as Machine Learning Engineer at Dicta: The Israel Center For Text Analysis and Chief Technology Officer at Voitrax. Moshe (Mark) Rayman holds Ba from Yeshiva University.

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mrayman@citigroup.com
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Profile bio

About Moshe (Mark) Rayman

With over 25 years experience working at major Wall Street financial institutions (Barclays, Lehman Brothers, Merrill Lynch), i bring my management, problem solving, team building, engineering and programming skills to implement and deliver effective solutions to the challenges of the day. My most recent experience has been with Deep Learning (python, tensorflow), transcription (Kaldi, Azure/CRIS) and AWS.I helped found and then headed up the Barclays Israel development center, where we recruited developers and engineers to work on Barclays technology projects globally. I recruited and built teams for big data, caching, storage and automation engineering, and various application development teams.At Barclays I also met with numerous Israeli tech startups, to vet their products for potential use in Barclays globally, as well as to recruit them to participate in Barclays accelerator programs world-wide.Back in the states I developed deployed and managed low latency market data delivery platforms and managed market data production teams as well.

Listed skills include Service Delivery Management, Electronic Trading, Information Technology, Software Design, and 36 others.

Current workplace

Moshe (Mark) Rayman's current company

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Citi
Citi
NLP Development Lead at Citi Innovation Lab TLV
new york, new york, united states
Website
Employees
201877
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15 roles · 48 years

Moshe (Mark) Rayman work experience

A career timeline built from the work history available for this profile.

Nlp Development Lead At Citi Innovation Lab Tlv

Current

Tel Aviv Area, Israel

Lead development efforts using NLP and Machine Learning to classify and interpret unstructured business communications

May 2019 - Present

Machine Learning Engineer

Dicta: The Israel Center For Text Analysis

Jerusalem Area, Israel

Designed and implemented machine learning solutions for Hebrew language text processing, including differentiating between modern and rabbinic Hebrew, identifying genre and age of Rabbinic text. Made use of word and document embeddings, LSTM and CNN for language modeling, coding done in python using scikit-learn, tensorflow, word2vec, doc2vec, fasttext

Feb 2018 - Apr 2019

Chief Technology Officer

Jerusalem, Israel

Responsible for all technology strategy and development, focusing on machine learning for financial applications, transcription technologies and cloud technologies. The Voitrax platform captures voice, text, and other communication records and accurately organizes and stores them to ensure complete compliance with Dodd-Frank regulatory requests. The system uses a unique blend of advanced technologies to reconstruct swap trades. Our solution addresses the direct needs of Dodd-Frank 1.35a and 23.201-3.

Jun 2015 - Apr 2019

Manager Of Israel Development And Engineering Center

Tel Aviv, Israel

I manage the newly formed Israel Development and Engineering Center at Barclay Capital. This is an offshore application development and engineering facility for Barclays, located in the Kiryat Atidim Park in Tel Aviv. Responsibilities included vetting Israeli startups for inclusion in Barclays Accelerator programs globally.

Jul 2011 - Jun 2015

Engineering And It Support Manager, Israel

Engineering and IT Support Manager, Israel. Built an Engineering team in Israel for Barcap comprising UNIX, Network, Windows, Storage and Database engineers, working in conjunction with the UK and US based engineering teams. Was responsible for identifying Israeli startups for use by Engineering teams gloablly. Also was responsible for IT support for the Israel office, managing a team of three.

Jan 2011 - Jul 2011

Market Data Engineering And New Technology Integration

Market Data Engineering and New Technology Integration, NJ and Israel – Delivered low latency market data solutions (mostly using NYSE Technologies (Wombat) on Infinband networks). Managed the merger of legacy Lehman and “heritage” Barcap systems post Lehman takeover.

Nov 2008 - Jan 2011

Head Of Market Data Production

Managed team of 8 supporting all market data infrastructure in the Americas, including Wombat, Reuters, Bloomberg an numerous stand-alone systems.

Nov 2007 - Nov 2008

Vp Market Data Engineering

-Manage and maintain Wombat based Direct Exchange Infrastructure (DEI). Infrastructure includes over 20 feeds (CTA, UTP, OPRA, ITCH, Arcabook, Arcabook for options, BATS, Direct Edge, NSX, Btrade, NYSE Openbook, NYSE Quotes, NYSE LRP, NOIVIEW, NYSE Alerts, Bpipe, CME, Eurex, Euronext, CBOT, RMDS Gateway); over 100 feed handler servers, and client APIs. Market Making, Algorithmic Trading, Program Trading applications receive market data from DEI. Specific responsibilities include:-Manage deployment of new feeds from circuit provisioning, software (feed handler) provisioning, configuration, testing, etc. - Manage “exchange driven changes”, from receipt of notifications, hardware/software upgrades, testing, notification of end user community, support of end user testing.- Manage performance/capacity upgrades- Troubleshoot infrastructure issues (latency, rvd retransmissions, feed handler bugs)- Market Data Engineering for new business requirements & technologies (e.g. collocation, infinband)- Assist client application developers with proper application design.

Feb 2005 - Nov 2007

Vp Market Data Engineering

 Market Data Engineering. Project Manager for various market data infrastructure projects, including implementation of proprietary rvd monitoring system, deployment of TeamQuest monitoring platform to all market data servers, integration of market data specific monitoring into TeamQuest.

2004 - 2005 ~1 yr

Vice President, Global Market Data Operations

 Manage the Global Market Data Operations team (8 people). Responsible for all market data feeds, circuits, services and infrastructure supporting GMI (institutional business) in the Americas. Services include, RMDS, Bloomberg, NASDAQ, IDBs, ILX, NewsEdge, Bridge, Track Data, Reuters Dealing 3000, EBS, Reuters+, Mighter, MDM, MLGES, and Hawk. Team responsibilities include, maintenance and operations of above services and related hardware and software, optimization of above services, installation of new services, and second level help desk. Team operates under the Microsoft Operations Framework (MOF). Specific projects include regular capacity review, Hawk Deployment, Teleport data center build-out, consolidation of regional infrastructure into central locations, BCP planning.

2002 - 2004 ~2 yrs

Vice President, Global Market Data Applications

 Manage the Global Market Data Applications team (5 people) Responsibilities include, Development and maintenance of proprietary Market Data applications, research and development of emerging Market Data technologies. Applications include: MDPS (Market Data Pricing Service), which manages the definition, execution, formatting and delivery of market batch extracts. Built with C++ and Perl on Solaris, fully redundant, with automatic failover where appropriate. System maintains real-time specific definitions and other metadata about the particular instruments in a feed, to allow very specific job definitions. Jobs include both snapshots and transaction logs. Output formats include standard ASCII as well as fixed length record mainframe data sets. Currently in production. RTP, a shared memory based cache to facilitate fast synchronous price queries. RTP handles all complex event driven APIs and error handling, facilitating rapid application development and deployment. Platforms supported are Triarch, TIB/RV. Used mostly by equity applications.Other applications include a variety of feed handlers, mainframe Market Data interfaces, market data entitlement systems, gateways between MDM (inventory) and entitlement systems. Served on the MDDL (Market Data Definition Language, an FISD/SIAA XML for market data) technical committee.

Jul 2000 - 2002

Vp Market Data Development

 Manage the development, and/or design, implement, deploy and maintain components of the Finesse system. Finesse is a proprietary Market Data distribution platform with over 1000 workstations, 60 servers, and dozens of applications, and served as the primary Market Data distribution platform for Lehman Brothers in the Americas. Components include vendor feed handlers, central servers, workstation daemons, client API’s (C/C++, Java, Corba IDL), Corba Server, ActiveX components, DDE server, DLL/XLL, Client front-end applications. All components support load-balancing and failover where appropriate. Feed handlers are written in C/C++ and run on Solaris and NT platforms. Feed handlers include Reuters/Triarch, Tib, Open Bloomberg, Bridge/Knight Ridder, RMJ, GARBAN, Cantor et. al. Clients API’s are available for Solaris, SunOS and NT in C/C++, Java, and Corba IDL. Also designed and implemented protocols for the transfer of page-based data, self-describing records, historical data and news headlines. Also introduced IP multicast based distribution of updates, and thread-safe market data APIs. Provide design/development support for application groups developing market data applications that interface with the Finesse system. This includes (but is not limited to) API usage support, proper application design to ensure robustness, integrity and reliability of data, failover and load balancing strategies, integration of Finesse applications with other non-finesse systems, development and delivery of training classes, composition of detailed documentation and sample code.

Nov 1994 - Jul 2000

Programmer

Designed, developed, implemented various components and enhancements to all UNIX versions of the MX market data application. Technologies used include TCP/IP sockets, UNIX IPC (shared memory), memory mapped files, proprietary messaging protocol, MOTIF, XLIB. Components developed and or enhanced include front end application (MX), workstation daemon, client API’s. MX ran on SUN workstations, IBM RS6000, Data General Aviion. All code written in C/C++. Also designed and implemented an early version of the current messaging protocol used in subsequent versions of Track Data software.

Jul 1993 - Nov 1994

Member Of Technical Staff

Designed and implemented software for statistical analysis of seasonal “spikes “ of SS7 network usage related to 800 number resolution. Composed formal report to owners/clients (Baby Bells) detailing our analysis and conclusions. Coordinated data collection and storage for the project. Software was developed in C and S (a statistical package).Tested various components of FACS (Facility Assignment and Control System). This system would designate various “loop” (outside the central office) facilities (phone lines et. al.) for the fulfillment of service orders. Specific components tested included proprietary C libraries for transaction processing in UNISYS and mainframe environments, as well as full system test with straight through processing of transactions.

Jun 1990 - Sep 1992

Life Scout

Troop 180 Bsa
1979 - 1980 ~1 yr
Team & coworkers

Colleagues at Citi

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3 education records

Moshe (Mark) Rayman education

Education record

Shaalvim

Education record

Hanc
FAQ

Frequently asked questions about Moshe (Mark) Rayman

Quick answers generated from the profile data available on this page.

What company does Moshe (Mark) Rayman work for?

Moshe (Mark) Rayman works for Citi.

What is Moshe (Mark) Rayman's role at Citi?

Moshe (Mark) Rayman is listed as NLP Development Lead at Citi Innovation Lab TLV at Citi.

What is Moshe (Mark) Rayman's email address?

AeroLeads has found 1 work email signal at @citigroup.com for Moshe (Mark) Rayman at Citi.

What is Moshe (Mark) Rayman's phone number?

AeroLeads has found 3 phone signal(s) with area code 646 for Moshe (Mark) Rayman at Citi.

Where is Moshe (Mark) Rayman based?

Moshe (Mark) Rayman is based in Israel while working with Citi.

What companies has Moshe (Mark) Rayman worked for?

Moshe (Mark) Rayman has worked for Citi, Dicta: The Israel Center For Text Analysis, Voitrax, Barclays Capital, and Lehman Brothers.

Who are Moshe (Mark) Rayman's colleagues at Citi?

Moshe (Mark) Rayman's colleagues at Citi include Paulina Alvarez, Jennifer Sanchez, Robin Stuart, Rosemary Asafo-Adjei, and Ebin Y.

How can I contact Moshe (Mark) Rayman?

You can use AeroLeads to view verified contact signals for Moshe (Mark) Rayman at Citi, including work email, phone, and LinkedIn data when available.

What schools did Moshe (Mark) Rayman attend?

Moshe (Mark) Rayman holds Ba from Yeshiva University.

What skills is Moshe (Mark) Rayman known for?

Moshe (Mark) Rayman is listed with skills including Service Delivery Management, Electronic Trading, Information Technology, Software Design, Sybase, Wombat, Data Center, and Infrastructure.

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