REDWOOD CITY, Calif., Nov. 16, 2017 /PRNewswire/ -- Skyline Group Intl – As part of the continual development of Skyline Group's scalable leadership coaching platform (C4X), human resources professionals can now better track and demonstrate the ROI of their leadership development investment. The addition of more robust data and interactive program metrics reinforces Skyline's focus on leadership development innovation and measurable results.