Derek Ussery

Corporate Officer/Principal at U.S. SILICA HOLDINGS, INC.

Non-Energy Minerals

Process Industries

Industrial Services

Active connections

Name	Gender	Age	Linked companies	Collaboration
Katherine Hargis	F	52	KEY ENERGY SERVICES, INC.	11 years
Bryan Shinn	M	62	U.S. SILICA HOLDINGS, INC.	15 years
Charles Shaver	M	65	U.S. SILICA HOLDINGS, INC.	13 years
Tripp Wommack	M	68	KEY ENERGY SERVICES, INC.	8 years
Stacy Russell	F	53	U.S. SILICA HOLDINGS, INC.	5 years
Simon Bates	M	57	U.S. SILICA HOLDINGS, INC.	1 years
Sandra Rogers	F	59	U.S. SILICA HOLDINGS, INC.	3 years
Peter Bernard	M	62	U.S. SILICA HOLDINGS, INC.	12 years
Kevin Hough	M	-	U.S. SILICA HOLDINGS, INC.	13 years
William Kacal	M	75	U.S. SILICA HOLDINGS, INC.	12 years
Diane Duren	F	64	U.S. SILICA HOLDINGS, INC.	7 years
Jimmi Smith	F	51	U.S. SILICA HOLDINGS, INC.	1 years
Sherman Edmiston	M	61	KEY ENERGY SERVICES, INC.	8 years
Kevin Hough	M	60	U.S. SILICA HOLDINGS, INC.	13 years
Alan L. Schultz	M	-	U.S. SILICA HOLDINGS, INC.	8 years
Zach Carusona	M	37	U.S. SILICA HOLDINGS, INC.	6 years
Eugene Padgett	M	54	U.S. SILICA HOLDINGS, INC.	1 years
Ida Ashley	F	-	U.S. SILICA HOLDINGS, INC.	-
Patricia M. Gil	F	-	U.S. SILICA HOLDINGS, INC.	-
Jay Moreau	M	58	U.S. SILICA HOLDINGS, INC.	1 years

Connections Chart

Multi-company connection

Former connections

Name	Gender	Age	Linked companies	Collaboration
Richard Alario	M	69	KEY ENERGY SERVICES, INC.	12 years
Robert Drummond	M	63	KEY ENERGY SERVICES, INC.	2 years
Mark Howard Rosenberg	M	62	KEY ENERGY SERVICES, INC.	3 years
Walter Phillip Marcum	M	80	KEY ENERGY SERVICES, INC.	20 years
Phil Norment	M	64	KEY ENERGY SERVICES, INC.	4 years
Scott Vogel	M	48	KEY ENERGY SERVICES, INC.	3 years
Gina Luna	F	51	TETRA TECHNOLOGIES, INC.	6 years
Bryan Kelln	M	58	KEY ENERGY SERVICES, INC.	4 years
Kimberly R. Frye	F	54	KEY ENERGY SERVICES, INC.	13 years
Lynn R. Coleman	M	83	KEY ENERGY SERVICES, INC.	9 years
Jacob Kotzubei	M	55	KEY ENERGY SERVICES, INC.	6 years
Mary Sigler	F	69	KEY ENERGY SERVICES, INC.	4 years
Arlene Yocum	F	66	KEY ENERGY SERVICES, INC.	9 years
Steven H. Pruett	M	62	KEY ENERGY SERVICES, INC.	4 years
Newton Wilson	M	73	KEY ENERGY SERVICES, INC.	10 years
Kevin P. Collins	M	73	KEY ENERGY SERVICES, INC.	20 years
Kenneth E. White	M	77	TETRA TECHNOLOGIES, INC.	16 years
Kim Clarke	F	68	KEY ENERGY SERVICES, INC.	12 years
Bill Owens	M	72	KEY ENERGY SERVICES, INC.	9 years
Christopher Gaut	M	67	KEY ENERGY SERVICES, INC.	3 years
J. Robinson West	M	77	KEY ENERGY SERVICES, INC.	13 years
Bobby Reeves	M	66	KEY ENERGY SERVICES, INC.	9 years
William David Fertig	M	67	KEY ENERGY SERVICES, INC.	16 years
Stephen A. Snider	M	76	TETRA TECHNOLOGIES, INC.	3 years
Ralph Michael	M	69	KEY ENERGY SERVICES, INC.	13 years
Jeffrey S. Skelly	M	65	KEY ENERGY SERVICES, INC.	7 years
Eddie Picard	M	59	KEY ENERGY SERVICES, INC.	2 years
Mark Cox	M	64	KEY ENERGY SERVICES, INC.	7 years
David Brunnert	M	-	KEY ENERGY SERVICES, INC.	2 years
Ben C. Chambers	M	68	TETRA TECHNOLOGIES, INC.	25 years
Troy R. Roach	M	-	KEY ENERGY SERVICES, INC.	2 years
Adrienne Mangual	F	-	KEY ENERGY SERVICES, INC.	5 years

Statistics

Country	Connections	% of total
United States	52	100.00%

Age of Connections

Active

Past

Male

Female

Members of the board

Executives

Origin of connections