Company: CSTL
Filing Date: 2025-04-09
Form Type: DEF 14A
Source: 0001447362-25-000054
Chunk: 9

Company: CASTLE BIOSCIENCES INC
Filing Date: 2025-04-09
Form: DEF 14A
Chunk 9
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7 to February 2014, Mr. Harrison held multiple leadership positions of increasing responsibility at Novartis across the Consumer, Oncology and Pharmaceuticals businesses, most recently as Vice President and Head of Global Advocacy. Mr. Harrison holds a B.A. (Honors) Degree in Geography from Sheffield Hallam University in the United Kingdom and has lived and worked in the United Kingdom, Europe, Middle East and Latin America, in addition to his U.S.- based roles. |
| Independent Director                           |     |                                                                                                                                                                                                                                                                                                 |     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| Age:60                                         |     |                                                                                                                                                                                                                                                                                                 |     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| Director since:2020                            |     |                                                                                                                                                                                                                                                                                                 |     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| Committees:                                    
 •Compensation Committee (Chair)                
 •Nominating and Corporate Governance Committee |     |                                                                                                                                                                                                                                                                                                 |     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|                                                |     | Our Nominating and Corporate Governance Committee and board of directors believeMr. Harrison’s experience in dermatology combined with his strategic leadership skills, as an executive in the pharmaceutical and consumer healthcare industry, qualify him to serve on our board of directors. |     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |

#### Castle Biosciences 2025 Proxy Statement13

#### Proposal One
|                                                        |     |                                                                                                                                                                                                                                                                                                          |     | Tiffany P. Olson                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
 She has served as a member of our board of directors since May 2021. From July 2013 to October 2021, Ms. Olson served as President of Nuclear & Precision Health Solutions at Cardinal Health, Inc., a multinational health care services company. From 2011 to 2013, Ms. Olson served as President of NaviMed, a consulting firm focused exclusively on the healthcare industry. From 2009 to 2011, Ms. Olson led Diagnostics at Eli Lilly and Company. From 2005 to 2008, Ms. Olson served as the CEO and President of Roche Diagnostics Corporation, where from 1997 to 2005 she held various roles of increasing responsibility. Ms. Olson currently serves on the boards of Langham Logistics, a privately held freight management company, The Education and Research Foundation for Nuclear Medicine and Molecular Imaging, Telix