Sonja Wilkerson

Director/Board Member at KOPPERS HOLDINGS INC.

Net worth: 784 877 $ as of 2026-09-29

65 year

94 connections

Electronic Technology

Consumer Services

Non-Energy Minerals

Profile

Sonja Michelle Wilkerson currently works as Director at Koppers, Inc., Independent Director at Koppers Holdings, Inc. since 2018, and Chief Human Resources Officer & Executive VP at Bloom Energy Corp.
since 2019.
Formerly, Ms. Wilkerson was Director-Human Resources at Cisco Systems, Inc. from 2004 to 2014, Manager-Human Resources at Vitria Technology, Inc., Senior Vice President-Human Resources at Infinera Corp.
from 2016 to 2019, and Vice President-Human Resources at Hewlett Packard Enterprise Co. from 2014 to 2016.
Education includes graduate studies at Pepperdine University and undergraduate and MBAistration degrees from the University of San Francisco.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
KOPPERS HOLDINGS INC. 0.09%	2026-09-13	17,216 ( 0.09% )	784 877 $	2026-09-29

Sonja Wilkerson active positions

Companies	Position	Start
KOPPERS HOLDINGS INC.	Director/Board Member	2018-09-09
BLOOM ENERGY CORPORATION	Human Resources Officer	2018-12-31
Koppers, Inc. Koppers, Inc. Forest ProductsNon-Energy Minerals Manufactures treated wood products, preservation chemicals and carbon compounds for infrastructure	Director/Board Member	-

All active positions of Sonja Wilkerson

Former positions of Sonja Wilkerson

Companies	Position	End
INFINERA CORPORATION	Human Resources Officer	2018-12-31
HEWLETT PACKARD ENTERPRISE COMPANY	Human Resources Officer	2016-11-30
CISCO SYSTEMS, INC.	Human Resources Officer	2014-09-30
Vitria Technology, Inc. Vitria Technology, Inc. Packaged SoftwareTechnology Services Develops software platforms for real time e-business	Human Resources Officer	-

See the detail of Sonja Wilkerson's experience

Education of Sonja Wilkerson

Experiences
Positions held

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Inactive

Listed companies

Private companies

See the detail of Sonja Wilkerson's experience

Connections

1st degree connections

1st degree companies

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Female

Members of the board

Executives

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Linked companies

Private companies	9
Cisco Systems, Inc. Cisco Systems, Inc. Telecommunications EquipmentElectronic Technology Designs and sells networking, security, collaboration, cloud management hardware & applications to securely connect industries and communities	Electronic Technology
Koppers, Inc. Koppers, Inc. Forest ProductsNon-Energy Minerals Manufactures treated wood products, preservation chemicals and carbon compounds for infrastructure	Non-Energy Minerals
Vitria Technology, Inc. Vitria Technology, Inc. Packaged SoftwareTechnology Services Develops software platforms for real time e-business	Technology Services
Infinera Corp. Infinera Corp. Electronics DistributorsDistribution Services Supplies networking equipment, optical semiconductors and software products	Distribution Services
Bloom Energy Corp. Bloom Energy Corp. Electronic Production EquipmentElectronic Technology Manufactures fuel cell energy platforms	Electronic Technology
Koppers Holdings, Inc. Koppers Holdings, Inc. Chemicals: SpecialtyProcess Industries Operates as a holding company with interest in producing chemicals, carbon compounds and treated wood products	Process Industries
Pepperdine University Pepperdine University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
University of San Francisco University of San Francisco Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Hewlett Packard Enterprise Co. Hewlett Packard Enterprise Co. Computer Processing HardwareElectronic Technology Engages in the provision of information technology, technology and enterprise products, solutions, & services	Electronic Technology