NTT invests in the backbone of digital transformation:
People

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Industry
Telecommunications
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Headquarters
Tokyo, Japan
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Employees
330,000+

About NTT

Nippon Telegraph and Telephone Corporation (NTT) is one of the largest telecommunications companies in the world. Headquartered in Tokyo, they employ over 330,000 people and encompass many subsidiary companies.

Over many years, NTT's IT architecture grew significantly. This created technology sprawl, with many different applications and processes being used across different teams and companies under the NTT umbrella in Japan.

"We had more than 115 companies,
85 systems, and over 1,000 interfaces.
Managing everything manually was
simply not feasible."

Risa Masuda,
Communications Manager at NTT

Key highlights

  • Leveraging SAP LeanIX and SAP Signavio to achieve full visibility into their technology and processes.
  • Standardizing processes across over 115 group companies in Japan.
  • Implementing dynamic change management and cross-team communication for large-scale digital transformation.

"We had more than 115 companies, 85 systems, and over 1,000 interfaces. Managing everything manually was simply not feasible," said Risa Masuda, Communications Manager at NTT.

NTT decided to embark on an ambitious digital transformation of many processes. However, in order to properly plan and manage such a large-scale transformation, they needed a single view of their technology and processes, and they needed to understand all dependencies and how everything interconnected.

"As our architecture grew, it became nearly impossible to maintain a comprehensive overview using just Excel spreadsheets and PowerPoint presentations," Masuda explained.

A bird's-eye view with SAP LeanIX and SAP Signavio solutions

In order to achieve full visibility into their technology and processes, NTT leveraged the powerful combination of SAP LeanIX for enterprise architecture and SAP Signavio for business process transformation.
  • Single, centralized source of truth.
  • Communication flows in multiple directions.
  • Change is clearly outlined, emphasizing the benefits.
  • People understand how their work support overall goals.

"SAP LeanIX and SAP Signavio gave us the comprehensive, bird’s-eye view we needed to guide our digital transformation.
With SAP LeanIX, we could map our vast IT landscape, linking business capabilities to applications and their underlying dependencies. SAP Signavio allowed us to mine and standardize complex business processes across the organization.”


Risa Masuda,
Communications Manager at NTT

The biggest challenge

Managing change and keeping people on board with the changes was even more of a challenge for NTT than digitization.

"Standardizing technology and processes was complex, but the most challenging aspect of our transformation was managing change, especially in terms of shifting people’s mindsets," said Masuda. "Getting people comfortable with new tools and processes was critical to our success."

"At the beginning of transformation, people weren't used to using new, standardized tools, because we had been relying on older systems for so long," Masuda said. "Now, after a year, I think people are much more accepting of the changes. After seeing how much more efficient operations are, they're embracing the new global standards we've implemented to keep us competitive."

 

Investing in people pays dividends, when asked what advice she would give to other organizations going through digital transformation, Masuda remarked.

"People are the true backbone of digital transformation. SAP LeanIX and SAP Signavio understand the human element of transformation and recognize the need to get everyone on board."

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