Work Experience

AT&T, Middletown, New Jersey 02/2013 Present

Leading Wireless Service Provider and R&D Organization

Director of Technology Security, Chief Security Office, AT&T Labs, USA 12/01/2015 - Present

As the Director of Technology Security, lead the team responsible for security for mobile core networks, driving open source standards, security requirements, RFPs, and proofs-of-concepts for various network function virtualization related to security. Lead the team in driving security function virtualization requirement, vendor engagement and patents for SDN/NFV. Drive the innovation for security technology for Domain 2.0 deployment in AT&T.s networks by leading the security standards and proofs-of-concept in the D2 Security lab. Lead research and development collaboration with universities and other research Labs in the area of SDN/NFV security.

Lead Member of Technical Staff, Chief Security Office, AT&T Labs, USA 02/13/2013 - 11/30/2015

As a member of the CTO and CSO organization, lead the design and deployment of advanced security architecture for the mobile enterprise and 4G LTE networks using cloud computing as part of the Secure Virtual Enterprise. Responsible for overall end-to-end design for both mobility and cloud, including 3G and LTE architectures and services. Collaborate with other organizations within AT&T to effectively design and deploy the security architecture. Active participation in IEEE, IETF, NFV (Network Function Virtualization) and CSA (Cloud Security Alliance) standards.

NIKSUN Inc., Princeton, New Jersey 09/2010 02/2013

Leader in network forensics, compliance, security surveillance and performance management solutions ranging from core infrastructure to edge and branch environment for both wired and wireless networks.

CTO Wireless, Executive Director, NIKSUN Innovation Center & Quality Assurance

Direct the research and development of LTE (Long Term Evolution) security and monitoring solutions for NIKSUN Cybersecurity product. As the CTO of wireless technologies, manage the deployment of mobility solutions for NIKSUN 4G products in the service provider networks around the world. As the head of NIKSUN Innovation Center (17 members), and QA department (12 members) supervise the staff and research activities leading to the development and quality assurance of future NIKSUN products. As CTIF-USA co-director manage university collaboration for research projects.

TELCORDIA TECHNOLOGIES, Piscataway, New Jersey 10/1997- 08/2010

Global leader in the development of mobile, broadband, and enterprise communications software and services with 800-plus customers in 55 countries.

Senior Scientist, Applied Research

Direct research and development initiatives of VolP and wireless technologies. Manage all aspects of project development and delivery. Supervise ongoing project activities and serve as technical lead to ensure expectations and quality assurance standards were consistently met. Lead design of network systems and supervise direct development of prototypes. Collaborate among industry, university and government representatives to increase communication and support project implementation. Organize analysis and modeling to create processes to improve efficiency and record progress. During my 13 years at Telcordia Research, I have initiated major commercial and government projects and acted as PI and Co-PI for these multi-year contracts covering the range of $250,000 to $4,000,000 for each of these projects. Total funding of the projects where I was a PI or Co-PI is approximately (~ $20,000,000).


Principal Investigator and project manager for KDDI's IMS project ($4,000,000 over 5 years) to design and build IMS/MMD network for next generation networks, including contributing to design of SIP, mobility, and security tasks to ensure progress and desired results were achieved.

As Co-PI, supervised all operational phases of CERDEC project ($200,000), including customer interaction, design development, software delivery, and on-site product demonstration.

As the Co-PI for the mobility task ($4, 500,000 over 9 years), led technical initiatives for Third Generation Mobile Wireless Internet Architecture (IMT-2000) based on CDMA-2000 standard and transition to 4G network. Implemented all mobile multimedia comprehensive test-bed involving various Linux-based systems, Cisco routers, wireless base stations, and subnets. Lead architect for secured universal mobility project and mobile VPN project involving heterogeneous access networks (e.g., 802.11, CDMA, WiMAX).

Co-PI and Technical Lead for Toyota's mobile content delivery network ($1000, 000 over two years) in all IP wireless environment involving advanced Telematics features. Project involved designing and implementing SIP-based mobility management and Localized Multicast-based architecture.

As the co-PI of the Horizons Research Program, directed analysis and design of scalable session control architecture for the building of multi-service platforms for leading clients KT, BellSouth, Telenor, and Toyota. This specific part of the program generated a revenue of ($1,500,000 over three years).

Collaborated with ITSUMO QoS team involved in performance analysis of voice and data traffic in an 802.11b networking environment utilizing various priority queuing, traffic control mechanism, and Spectra Link Voice Priority (SVP).

Performed feasibility study for supporting IPv6 in mobile Ad Hoc networks


As Co-Principal Investigators (Co-PI) for DARPA ACN project ($2,500,000 over three years), led in writing the winning proposal for Integrated Mobility Management for phase II and phase III, and have been acting as a Technical lead for the Integrated Mobility Management part of the project. This involved designing and implementing an Integrated Mobility Management scheme for Adhoc type military networks while coordinating between different task groups, presenting regular milestone reviews at DARPA meetings.

As a Co-PI and technical lead for a DARPA funded AJCN project ($1,500,000 over two years), involved in the design, development and prototype demonstration of a SIP based multiparty conference control using both multicast and MCU-based (multi-party conferencing unit) approaches aided by SIP's third-party call control features. Above two have resulted in 10 paper publication and 3 patent application.

Principal Investigator (PI) for CERDEC/CECOM's winning proposal on IPv6 transition of US Army's networks ($300,000). Designed and developed IPv6 transition technologies for Army's legacy applications.

As a technical lead for a subcontract to Lockheed to provide IMS capabilities for the for DARPA National Cyber Range (NCR), designed and architected IMS testbed and designed the interface between IMS and PSTN. This activity includes interconnection of IMS test-beds at different locations.

As the Co-PI and technical lead for National Communication System (NCS)'s multi provider service provider testbed ($500,000), led a group of 4 that designed and architected priority services for VoIP and streaming services over an IMS platform using GETS (Government Emergency Telecommunications Service) requirement. This activity involved designing priority-based services at layer 2, layer 3 and SIP layer.

COLUMBIA UNIVERSITY, New York City, New York 10/1989 - 09/1997

Leading higher education university and research institution.

Director of IT Operations (Central Research Facilities)

Managed and supervised daily IT operations and administration of systems and programs, including Suns, HPs, SGIs, and PCs, in multi-protocol based heterogeneous network with 600 servers. Installation, testing, and maintenance of various kinds of communication software, hardware and networking products of Central Research Facility. That includes departmental TCP/IP based

Cisco routers, terminal servers , dialup modems, FDDI concentrators, ATM backbone, and 3Com Link Builders. Supervised and motivated IT teams to achieve desired outcomes. Coordinated with faculty, staff, and students to promote research initiatives. Organized and collaborated on National Science Foundation (NSF) proposals for department research objectives. Maintained

($4,000,000) million NSF computing infrastructure budget.

Tata Engineering and Locomotive Company, India 08/1985 09/1987

Computer Engineer

Installed and maintained mainframe Burroughs B6800, mini B1900, VAX 11/750, 11/780, and their associated communication peripherals like disk and tape drives, line printers, plotters, and various types of intelligent terminals, modems and multiplexer. Designed the interface for setting up the communication link between a cluster of microcomputer systems and mainframe using Poll/Select protocol at different sites of the company.