About Us
Surjeet Singh

Surjeet Singh: Managing Director & Chief Executive Officer

Surjeet Singh is a seasoned management professional and business leader with over two decades of multi-industry global experience in leading Finance, Corporate Development, Business Planning and Global operations functions. He has a successful corporate and entrepreneurial track record of building organizations and fostering collaboration in large and culturally diverse cross functional teams.He was named among India's 25 hottest young executives by Business today a leading business publication in 2008. Prior to joining Subex Board of Directors, he was CFO of Patni Computer Systems a large global IT company publicly listed in India and US , where he transformed the operating profile of the business increasing shareholder value and led its eventual buy out in one of India's largest such transaction in 2011. He was earlier CFO and Co Founder of Cymbal corporation , a boutique consulting systems integrator in BSS space which was acquired by Patni in 2004 again a largest cross border transaction in services industry at the time. An avid golfer Surjeet spent first 10 years of his career in India mostly at Ranbaxy and moved to Silicon Valley in 2000 where he continues to live with his wife and two kids. Ranked graduate of commerce from University of Pune, he is trained in finance with Cost & Management Accounting and CPA degrees and is a graduate of Advance Management Program from Harvard Business School.


Vinod KumarVinod Kumar: Chief Operating Officer

Vinod Kumar is the Chief Operating Officer and overall responsible for managing the Portfolio Development & Innovation, Client Acquisition & Relationships and Fulfillment teams. Prior to this, he worked in the capacity of Group President of the Company, and has previously handled the role of President and Senior Vice President - Sales at the Company, where he was directly responsible for the worldwide revenue generation efforts as well as the day-to-day operations of the Company’s sales organisation including sales, sales operations, alliances, and channels. Mr. Kumar joined the Company in October 1997 and was involved in the development and implementation of the Company’s sales strategy. Prior to joining the Company, he spent five years as a marketing executive with Crompton Greaves, and also worked at Ashok Leyland Limited. Mr. Kumar holds a bachelor of technology degree in electrical and electronics from CET, University of Kerala.


Ganesh K VGanesh K V: Global Head – Finance, Legal and Company Secretary

K V Ganesh has an overall responsibility for managing the Global Finance, Legal and Secretarial functions. He is a seasoned professional having been in the corporate sector for 26 years with a healthy spread between Manufacturing and Service Sectors. His previous stints include manufacturing units like Ballarpur Industries Limited, Pepsi Limited and on the services segment with HSBC, HCL Technologies & HP leading their finance stream. Ganesh is an Alumnus from the Indian Institute of Management (IIM), Calcutta apart from being a senior member of the Institute of Chartered Accountants of India and the Institute of Company Secretaries of India, having graduated from Shriram College of Commerce, Delhi. He also holds a dissertation on Corporate Taxation with the Institute of Chartered Accountants. He is a prolific speaker at various business forums.


Sekharan Y MenonSekharan Y. Menon: Chief People and Administrative Officer

Sekharan Y Menon has been with the Company since 1996, and serves as the Global Head of Organisation Enablement & Readiness. He is responsible for leading the key functions of People (HR), Infrastructure and Quality & Process. Before moving in to this role, he was the President for APAC region where he was responsible for leading the business operations of the Asia Pacific region of the Company. With this responsibility, he directly managed sales, delivery, solution consulting and customer support activities in the region and has direct responsibility for the P&L of the regional operations. Prior to that, Mr. Menon held the position of Senior Vice President - Professional Services. Before joining the Company, he was the assistant manager of customer services/services marketing with Yokogawa Bluestar, where he worked from 1992-96. Before that, he spent five years at Humphreys and Glasgow Consultants Private Limited.


Dr. Gowri Krishna JandhyalaDr. Gowri Krishna Jandhyala : Chief Technology Officer

In a business career spanning 30 years, Dr. Gowri Krishna Jandhyala has been in various senior roles as Systems Engineer and a corporate professional. As Systems Engineer he was responsible for performance and reliability engineering of Aerospace Systems. His core strengths as corporate professional have been developing new competencies, solutions and services in different verticals like Telecom and Utilities. He has joined Subex from Infotech Enterprises, Hyderabad where he was Head of the Competency and Consulting Unit (CCU). He was with Infotech Enterprises from 2010. Prior to Infotech Enterprises, Dr. Gowri was the Vice President at Tech Mahindra for 13 years, heading Network Design and Engineering (NDE) which is one of the Competencies and Solutions Units (CSU). He was instrumental in developing niche service offerings in three competencies, namely Modeling and Simulation, Application Performance Management and Network Services.

A Doctorate in Physics from IIT, Chennai and a Masters Degree holder from Osmania University, Hyderabad, Dr Gowri has published and presented over 60 technical papers and whitepapers in international journals and conferences. Dr. Gowri began his career in 1983 as a scientist with DRDL Hyderabad.


Shankar RoddamShankar Roddam: Market Head – Sales and Client Relations – Emerging Markets

Shankar is responsible for Sales and Customer Engagements across Asia-Pacific, Middle East & Africa for Subex. Shankar has also handled multiple Sales support roles while at Subex which includes Channel Sales & Alliances. He also played a significant role in the Market leadership that Subex has achieved in markets such as Middle East & & Africa where Subex is the undisputed market leader. His strength is the ability to quickly understand the Customer’s requirements and be focused on delivering to the clients expectations. Shankar started his 16 year career doing Sales of E-Commerce solutions at MNSL and subsequently played a key role at MBT (now Tech Mahindra) as they forayed into new segments & technologies. Prior to joining Subex he worked as an International Sales Manager at Bharti Telesoft for the African markets. He also holds a dual Bachelors in Electronics & Telecommunication Engineering and also in Mathematics. He also has completed his Masters in Business Administration from IMDR, Pune.


Ashwin ChalapathyAshwin Chalapathy: Global Head – Consulting, Solutions and Managed Services

With an experience spanning almost 17 years in the IT industry, Ashwin brings a rich blend of diverse strengths and experience encompassing Engineering, Operations, business development and a strong people orientation. In his current role as Head of Global Pre-Sales and Head Managed Services business, Ashwin is responsible for developing domain-led solutions, services and technology offerings. He also leads the Managed Services Operations at Subex, building operational capabilities and competencies across the business optimization portfolio. Ashwin joined the company in 2007 and during his 5 year association with the company, he was instrumental in setting up the fulfillment and assurance business unit and from 2010 he took over the responsibility of developing the Managed Services Portfolio. Prior to joining the company Ashwin was the Group head for engineering across several product lines at Siemens Public communication Networks Ltd. He holds a Master’s degree in computer Science from University of Mysore.


Charles E. CrenshawCharles E. Crenshaw: Market Head- Sales and Client Relations Americas

A seasoned executive and consultant to companies in multiple business segments, Charles has 30 years of industry experience with a history of operational and executive positions in a wide range of industry sectors. He has an established track record with an emphasis on driving consistent growth of new customers, revenues and profits. He has had documented successes in multiple market segments, including software, consulting services, hardware, technology finance, consumer products and consumer services. Prior to joining Subex, Charles held the position of CEO for New Level Funding, LLC. He has had prior work experience of Technology sales and sales management (IBM and Storage Technology); Software development and distribution (CEO at Connexn Technologies, VP & GM at Kanbay International, VP Sales & Marketing at Kapre Systems); Technology Finance (VP Sales at Chrysler Systems Finance, President at Econocom, Inc.); Physical security systems design and manufacturing (CEO at ISONAS Security Systems). Charles’ experience as a leader began right after graduating from college as an infantry officer in the US Army in the 82d Airborne Division and as an Army Ranger in the 4th Infantry Division in Viet Nam. He is a fellow of the Trinity University, San Antonio, TX in Bachelor of Arts (Spanish and German) cum Laude Honors Graduate.


Pankaj Parmar: Global Head - Delivery and Client Servicing

Pankaj is a Business Management professional with over 20 years experience delivering successful programmes in complex and difficult environments in both the large and medium sized organizations. He currently heads the Fulfillment division in the company which includes Project Delivery & Client Partnership and Global Support. Prior to this he handled the role of Vice President, Professional Services – EMEA at Subex.



David HalvorsonDavid Halvorson: General Counsel

David Halvorson is the General Counsel at Subex where he leads the company’s legal function. Prior to this, he was Subex’s Chief Legal Counsel, Contracts with worldwide responsibilities for contractual dealings with customers, vendors and partners. David joined Subex in April 2009 with responsibilities for legal matters in the Americas region. Prior to joining Subex, he headed intellectual property and licensing issues for Qwest, served as General Counsel for a technology startup and worked in private legal practice for a number of years focusing on intellectual property and licensing issues. David holds a B.S. in Computer Science from the University of Nebraska and a J.D. from Santa Clara University.