TTEC Holdings, Inc. announced that Shelly Swanback has been named Chief Executive Officer of TTEC Engage.  Ms. Swanback brings deep expertise across the Company's five growth pillars including technology innovation, vertical differentiation, enterprise-wide diversification, geographic expansion and strategic M&A.  Swanback will partner with TTEC's Chairman and CEO Ken Tuchman and the Company's senior leadership team to accelerate TTEC's next phase of growth.  "I am thrilled to welcome Shelly to the TTEC family. Swanback has more than 30 years of experience establishing and scaling innovative businesses with digital, analytics, strategic consulting, and technology-enabled services at the core. Most notably, she launched and built Accenture Digital into a global, digital transformation powerhouse with more than $20 billion in annual revenue in just seven years.