System Atlas

Mark McClellan

PersonAmerican health economistWikidata Q6768777
Updated

Mark McClellan is board member at The Cigna Group, board member at Johnson & Johnson.

01Roles

Each role as its source states it, with the dates when the source gives them.

02Their organizations

Open one for how it is built: its map, figures and connections.

The Cigna Group

Company · Direct Health and Medical Insurance Carriers · United States

American health services organization

Revenue
$282.4B
TTM to Jun 2026
People
73,800
Parts
3
5 sources

Updated

Johnson & Johnson

Company · Pharmaceutical and Medicine Manufacturing · United States

U.S. multinational manufacturer of pharmaceuticals and medical devices

Revenue
$99.3B
TTM to Sep 2026
People
136,400
Parts
9
10 sources

Updated

03About this page

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