Rang	Name	Position
1	Dr. Howard G. Berger M.D.	Chairman, President & CEO
2	Mr. Mark D. Stolper	Executive VP & CFO
3	Mr. Mital Patel	Executive VP & COO
4	Mr. Norman R. Hames	President & CEO of Western Operations
5	Mr. Stephen M. Forthuber	President & CEO of Eastern Operations
6	Dr. Alma Gregory Sorensen M.D.	Executive VP, Chief Strategy Officer & Director
7	Ms. Susan Hollabaugh	Chief Information Officer
8	Mr. David Jeffrey Katz Esq.	Executive VP, Chief Legal Officer & Corporate Secretary
9	Mr. David Manheim	Senior VP & Chief Compliance Officer
10	Mr. Michael M. Murdock	Executive Vice President of Mergers & Acquisitions

Aufteilung der Investoren

Rang	Inhaber	Anteile	Wert
1	BlackRock Inc	12,75%	0,76 Mrd. USD
2	RTW INVESTMENTS, LLC	5,44%	0,32 Mrd. USD
3	T. Rowe Price Associates, Inc.	5,28%	0,31 Mrd. USD
4	Vanguard Portfolio Management, LLC	4,95%	0,29 Mrd. USD
5	Beck, Mack & Oliver LLC	4,02%	0,24 Mrd. USD
6	Vanguard Capital Management, LLC	3,95%	0,24 Mrd. USD
7	State Street Corp	3,37%	0,20 Mrd. USD
8	Geode Capital Management, LLC	2,19%	0,13 Mrd. USD
9	Amvescap Plc.	2,08%	0,12 Mrd. USD
10	American Century Companies Inc	2,06%	0,12 Mrd. USD
11	Dimensional Fund Advisors, Inc.	1,89%	0,11 Mrd. USD
12	Jb Capital Partners LP	1,81%	0,11 Mrd. USD
13	Hood River Capital Management LLC	1,79%	0,11 Mrd. USD
14	Alyeska Investment Group, L.P.	1,66%	0,10 Mrd. USD
15	ClearBridge Advisors, LLC	1,62%	0,10 Mrd. USD
16	Van Berkom and Associates Inc	1,52%	0,09 Mrd. USD
17	The Goldman Sachs Group Inc	1,51%	0,09 Mrd. USD
18	Principal Financial Group Inc	1,34%	0,08 Mrd. USD
19	Westfield Capital Management Company, L.P.	1,24%	0,07 Mrd. USD
20	Ameriprise Financial Inc	1,14%	0,07 Mrd. USD