Welcome to Data Systems Integration Group

About Us

Company Background

who we are

Founded in 2006 and headquartered in Dublin, Ohio, DSIG is an MBE-certified company. With approximately 200 IT Professionals and relationships with various clients in both the Government and Commercial domains, DSIG has earned its reputation as a company that delivers quality IT resources and software solutions at very competitive rates to our clients.

DSIG's goal is to become a trusted partner and advisor to our clients and to be a source for quality IT Professional Staff and innovative IT solutions. We are dedicated to helping our customers leverage qualified IT resources to empower their business through cost-effective services, solutions and consulting.

Vision, Mission and Values

we are source for quality

It is our goal to be a trusted partner to our customers and to be a source for quality IT professional staff and innovative IT staffing solutions. At DSIG, we pledge:

To treat our employees and customers with dignity and respect.

DSIG empowers, encourages and supports our people so they make decisions that will help us achieve our mission to be one of the best IT Staffing and Project Management firms in the U.S.

To exceed our clients’ expectations.

DSIG recognizes that consistency is critical to the achievement of our mission. We always act with a sense of urgency, respond quickly to client needs and meet our commitments to provide only the best and most professional IT staffing and solutions available.

To be committed to continuous improvement.

DSIG strives to enhance the value of our resources by providing training and development initiatives. We strive for excellence in everything we do. We seek to encourage innovative thinking that will enhance our ability to reduce labor costs and enable us to find talent for those hard-to-fill positions.

To demonstrate a passion for customer service.

In doing so, DSIG strives to become the partner of choice to every client and to provide cost-effective, value-added solutions, treating each client as if they were our only client.


Executive Team

Our Professionals

DSIG was founded in 2006 by Chad Chalumalla and Maddy Narahari. Both of these founders have more than 30 years of combined, real-world experience in software development, project management and IT systems and infrastructure. Chad and Maddy are hands-on and work to ensure that DSIG has the necessary IT resources skill sets and that the IT solutions remain current. They incorporate best practices in all they do.

Chandrashekar (Chad) Chalumalla President and Chief Executive Officer

Chandrashekar (Chad) Chalumalla is the co-founder and Chief Executive Officer of DSIG. Throughout the years, his vision has been simple and consistent—it is all about doing what is best for the customers. Mr. Chalumalla is responsible for making DSIG’s major corporate decisions, managing the financial resources of the company and acting as the main point of communication between the company owners and executives.

Mr. Chalumalla has over 20 years of IT experience. Prior to co-founding DSIG, he had a distinguished career in the government and private sector. Mr. Chalumalla earned his Master’s degree in Computer Science from Franklin University in Columbus, Ohio.

Madhukar (Maddy) Narahari Sr. Vice President & Chief Information Officer (CIO)

Maddy is DSIG’s Chief Information Officer (CIO).  He works closely with the CEO and other DSIG Executives to establish business objectives and determine which technologies DSIG needs to achieve our goals and support our clients.  He ensures DSIG staff is up to date on new IT software and has oversight as well as sets technical direction for DSIG’s IT solutions implemented internally as well as with our clients.

Maddy has more than twenty years of hands-on experience in IT.  He also holds a degree in Information Technology.

Nola M. Haug Sr. Vice President Operations

Nola Haug is a Strategic Advisor for DSIG. In this support role, she provides advice, coaching and mentoring for DSIG Executives and Managers.  She maintains relationships with strategic business partners.  She also provides final review and input on contracts, proposals and other documents that bind DSIG contractually.

Prior to joining DSIG, Ms. Haug was a former executive at CGI Technologies and Solutions, Inc. for more than 10 years. She focused on Public Sector account management.  During Ms. Haug’s tenure with CGI, she was a respected leader with a reputation for building exceptionally strong teams and delivering on client commitments. Ms. Haug also spent 10 years working for the Defense System Design Center in Columbus, Ohio, where she moved from systems analysis to delivery management and program and vendor management of large, multi-million-dollar, complex IT contracts.

Nola has a Bachelor of Science degree in Business Administration with a minor in Accounting.

Shane Collier Vice President, Technical Delivery Manager

Shane Collier is the Vice President of Strategic Accounts for DSIG. He is responsible for optimizing profitable revenue growth, client engagement and satisfaction and financial management. Mr. Collier manages partner relationships and is responsible for co-developing the client engagement technical strategy. Mr. Collier has 24 years as an IT professional with proven success in delivering business and technology solutions to a wide range of businesses. He has an excellent record of performance in establishing and leading teams in managing large-scale, complex and diverse programs. He is noted for staffing high performance, customer-centric teams, and achieving results. Mr. Collier holds a Bachelor of Science degree in the Management of Computer Information Systems, is PMI Project Management Professional (PMP) Certified since 2002. He is also a former Non-Commissioned Officer in the United States Navy and is a veteran of the Persian Gulf War.

Vanaja Baddam Vice President, Software Product

As the Vice President-Healthcare Technology for Data Systems Integration Group Inc (DSIG), Vanaja has nearly (10) years’ experience working directly in the Healthcare field. She has more than ten (12) years as Technical Architect, supporting more than fifty (50) clients and approximately 10 platforms in the Healthcare industry. Over the past three (3) years, Vanaja’s focus has been with DSIG’s RevolutionDX Electronic Laboratory Information Management Systems (eLIMS) and Pathlogix. In that role, she develops and maintains client relationships as well as work with DSIG’s internal staff and client staff to define functional and technical business requirements for implementing DSIG’s healthcare solutions. Vanaja Identifies process improvements to alleviate the defined problems, including modifications to existing business processes supplemented with technology and automation. She utilizes her experience as a technical architect to work with clients to manage, train, configure, design, develop, test and deploy the software systems as well as implement suggested improvements, conversions, and long-term maintenance. She is currently in the process of implementing Covid19 testing. She has implemented changes in eLIMS to support COVID19 testing and continuously working on and implementing the changes based on the new rules and regulations for COVID19. Vanaja’s education and experience make her an expert and uniquely qualified to execute her responsibilities as a leader in this field.

Lori A. Wildes Vice President

Lori Wildes is Vice a President at DSIG, overseeing its public sector business. Ms. Wildes primarily supports the State of Ohio Government agencies.

Prior to joining DSIG, Ms. Wildes held positions as an Account Manager with EXCEL Management Systems, Compuware, and Kforce. In addition, she worked at Computer Aid Inc. as a Program Manager launching the State of Ohio’s managed services contract to all state agencies, counties, municipalities, and higher education institutions. Her industry experience, along with her staffing knowledge, has enabled Ms. Wildes to be an expert in the field, providing highly skilled, qualified candidates to DSIG’s clients.

Ms. Wildes has an Associate’s degree in Business.

Manoj Kumar Senior Recruiting Manager

Manoj Kumar is a Senior Recruiter Manager for DSIG with over 15 years of experience. In his role, he focuses on Management Operations, Talent Acquisitions and Management, Client and Employee Relations and Engagement, Organizational Development Interventions, Learning and Development, Retentions, Training and Mentoring with hands-on experience in recruiting. Mr. Kumar has a good understanding of the full lifecycle process in the recruitment of consultants, their direct interactions with the client and expertise in screening and evaluating candidates. Prior to joining DSIG, Mr. Kumar worked as a Lead Recruiter and Recruiting Manager for companies like Prime Software Technologies, Brainhunter and CES. In this capacity, he handled top IT clients in all IT verticals. In 2001, Mr. Kumar obtained his Bachelor of Science degree in Computer Science from Osmania University.

Alisha Gharbi Sales Support Coordinator

Alisha Gharbi is a Sales Support Coordinator for DSIG with a passion for customer service and a drive for excellence. Ms. Gharbi heavily supports the Executive Team and many of DSIG’s consultants in Ohio and throughout the United States. Her current role largely supports our talented Sales Team. Ms. Gharbi is often involved in the on-boarding of new team members and maintaining excellent client and consultant relationships.

Cindy Talton Human Resources Director

Cindy Talton is the Human Resources Director for DSIG. She is responsible for overseeing employee on-boarding, compensation and benefits, training and development, employee relations and participation in the recruitment and selection processes. Ms. Talton has focused her career and interests in Human Resources and has a great passion for serving others. She has 19+ years of experience as an HR Professional supporting various industries. Ms. Talton earned a Bachelor’s degree in Elementary Education from the University of Wisconsin Whitewater.

Donna Damron Executive Assistant

Donna Damron is the Executive Assistance for DSIG. She has worked in this field for over 20 years and has extensive experience. Having held positions in the legal, medical and business fields, Ms. Damron is able to utilize her skills to meet various needs of the managers within the company, vendors and employees. She continues to increase efficiency and develop many internal processes that have proven to be an asset to DSIG’s internal and external staff and vendors. Prior to joining DSIG, Ms. Damron worked for 12 years at State Teachers Retirement System Ohio. Ms. Damron is active in many organizations in her community. She is part of a Making a Difference Outreach program where she helps feed the less fortunate and helps with various fund-raising events for Mission trips. She also participates in local events such as Pelotonia, Fight Against Cancer and other community events.


awards and recognition
  • Ranked #1963 (US/Nationwide) and #91 for Ohio in 2013
  • Ranked #740 (US/Nationwide) in 2014
Business First Fast 50 Award
  • Ranked # 9 Fast 50 Award by Business First (2013)
  • Ranked # 4 Fast 50 Award by Business First (2014)
  • Ranked #14 in Top IT Companies in Central Ohio by Business First (2015)


how to find us
Corporate Headquarter:

Data Systems Integration Group, Inc.
485 Metro Place South, Suite 101
Dublin, OH 43017
Contact: 614-344-4600
Email : info@dsiginc.com

Florida Office:

Data Systems Integration Group, Inc.
1334 Timberlane Road #15
Tallahassee, FL 32312
Contact : 239-336-9440
Email : info@dsiginc.com

Hyderabad Office:

DSIG IT Solutions Private Limited
1-11-250/2/2, First Floor
V V Chambers, Begumpet
Hyderabad, Telangana, India 500016
Contact: +91 40 27764979
Email : info@dsigitsolutions.com