Stephen Barnack

Critic
DISC Type : C

Senior Procurement Manager at Cellares

Alameda, California, United States

Overview

Stephen is a highly energetic supply chain professional with over a decade of experience in procurement, project management, and customer relations. As Senior Procurement Manager at Cellares, he leverages his expertise from roles at Twist Bioscience and a B. B. A. from Wichita State University.

Outside of his professional life, Stephen appears to enjoy travel and exploring the outdoors, having recently planned a trip to Yosemite National Park. He also has a stated interest in The Walt Disney Company, suggesting an appreciation for entertainment and brand experiences.

He has demonstrated rapid career progression at Cellares, moving from a specialist role to Supply Chain Manager and now Senior Procurement Manager.

Personality Overview

Information Seeker

Objective Thinker

ROI Driven

They enjoy working alone and do not rely on others very often.  They prefer to do logical analysis and value evidence over emotions. Unless the value is proven by data, they are unlikely to value fancy features.

Topics They Care About

Biotech Procurement
Manages procurement in the cell therapy manufacturing sector for Cellares and previously worked for life sciences company Twist Bioscience.
Supply Chain Efficiency
Brings over 10 years of experience in supply chain and parts management, with a reputation for being efficient and hardworking in fast-paced environments.
Leadership Development
Holds a certification in "The Leadership Accelerator" and has progressed into senior management roles, reflecting a focus on career growth.

Media Appearances

Stephen has no verified media appearances

Work History

1-2025
Senior Procurement Manager at Cellares
5-2022 - 1-2025
Supply Chain Manager at Cellares
10-2021 - 5-2022
Senior Procurement & Supply Chain Specialist at Cellares
10-2021 - 1-2022
Senior Consultant at Twist Bioscience
12-2020 - 10-2021
Senior Buyer at Twist Bioscience

Education

2005 - 2010
Bachelor of Business Administration (B.B.A.) from Wichita State University
2003 - 2005
Associate's degree from Butler Community College

More Information

Social Presence :

Prographics :

Exp : 14 Location : Alameda, California, United States Job Level : Middle Designation : Senior Procurement Manager at Cellares
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Insights For Selling To Stephen

During A Call Or A Meeting

DO's

  • Tell them what ROI they can expect
  • Keep some extra margin while sharing pricing, they are likely to negotiate later
  • Be ready for penetrating questions and critical examination of your pitch

DONT's

  • Don’t rush them till they have clearly gotten all the necessary information
  • Do not use very emotional or colorful language
  • Avoid pushing them too much to involve other stakeholders unless it is critical

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with Stephen is

  • Strong evidence of ROI, effective pricing, and proven data points matter the most to them.
  • Will you ever get a clear answer from Stephen

  • It is not very hard for them to say no if they are not convinced about the decision.

Insights For Deal Planning

    How fast (or slow) will Stephen move?

  • Their decision-making is neither very fast nor very slow, they are somewhere in between.
  • Can Stephen take some risk or not?

  • They can take risks if their analysis shows that it would be worth it.

You And Stephen

Personality Compatibility


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