Michael J. Birck, 73, chairman and co-founder of Tellabs. Chairman since 2000; chief executive officer 2002-2004; chief executive officer and president 1975-2000. Director, Molex Incorporated. M.S.E.E., New York University; B.S.E.E., Purdue University. Tellabs director since 1975.

Robert W. Pullen, 48, president and chief executive officer since 2008. Vice president and general manager of global services 2005-2008; senior vice president of North American sales 2002-2005; various management, engineering and sales positions 1985-2002. Chairman emeritus, executive board of Telecommunications Industry Association. M.B.A., Northwestern University; B.S.E.E., University of Illinois. Tellabs director since 2008.

John M. Brots, 50, executive vice president, global operations since 2005. Vice president of supply chain management 2004; vice president of North American operations 2000-2003; various operations and management positions 1988-2003. M.B.A., St. Edwards University; B.S., Cameron University.

Roger J. Heinz, 48, executive vice president, global sales and services since 2008. President, IP-NGN core business unit at Alcatel-Lucent 2006-2008; vice president, converged IP core solutions; vice president, Sprint sales and various management positions at Lucent Technologies 1999-2006; senior positions at Astral Point Communications, Lucent Technology and AT&T Bell Laboratories 1986-1999. M.S.E.E., Cornell University; B.S.E.E., University of Illinois.

Jean K. Holley, 51, executive vice president and chief information officer since 2005. Senior vice president and chief information officer 2004; chief information officer at USG Corp. 1998-2003; various positions at Waste Management 1989-1998. Director, VASCO Data Security International, Inc. M.S., Illinois Institute of Technology; B.S., Missouri University of Science and Technology.

Rehan Jalil, 40, senior vice president, mobile IP and Internet since 2009. Founder and chief executive officer of WiChorus 2005-2009; chief architect at Aperto Networks 2000-2005; staff engineer at Sun Microsystems 1998-2000; executive engineer at Siemens 1993-1996. M.S.E.E., Purdue University; B.S.E.E., NED University.

Daniel P. Kelly, 49, executive vice president, global products since 2007. Executive vice president, transport products 2004-2007; various engineering and management positions 1985-2004. M.B.A., University of Chicago; M.S.E.E. and B.S.E.E., University of Notre Dame.

Rizwan Khan, 44, executive vice president, global marketing since 2008. Senior vice president of global marketing 2005-2008; various director roles including Tellabs’ APAC region 2001-2005; engineering and management positions at Motorola, Newbridge and Siemens 1988-2001. B.S.E.E., University of Engineering and Technology Lahore, Pakistan.

Dr. Vikram Saksena, 54, executive vice president and chief technology officer since 2008. CTO at Sonus Networks 2003-2008; various positions as CTO and chief architect at start-ups MaxComm Technologies, Narad Networks and Cisco 1998-2003; responsible for data network infrastructure at AT&T 1982-1998. Senior member of the IEEE. Ph.D. and M.S. in E.E., University of Illinois; B.S.E.E., Indian Institute of Technology.

James M. Sheehan, 48, executive vice president, chief administrative officer since 2005 and general counsel and secretary since 2002. Vice president and deputy general counsel 2000-2002; director and assistant general counsel 1995-2000. J.D., University of Illinois College of Law; B.S., University of Illinois.

Timothy J. Wiggins, 54, executive vice president and chief financial officer since 2003. Executive vice president and chief financial officer at Chicago Bridge & Iron Company, N.V. 1996-2001; various senior financial and operating management positions at Fruehauf Trailer Corporation and Autodie Corporation 1988-1996. Certified Public Accountant; B.S., Michigan State University.