MH
Chair & Chief Executive
Marcus T. Halloran
Joined the partnership in 2002 from a regional industrial holding company. Named CEO in 2024. Sits on five operating-company boards. Reads slowly and on purpose.
Nineteen people at the centre.
Headquarters · Wilmington, Delaware
Our headquarters is small on principle. The partnership is run by seven officers, supported by a dozen colleagues in finance, legal, and operations. Decisions of consequence are taken in person, around a single table on the third floor of a building we have occupied since 1991.
§ I
The Executive Committee
Seven officers,
one table.
The Executive Committee meets every other Tuesday. The agenda is circulated on Monday afternoon and is, by tradition, no more than one page long.
LO
President & Chief Operating Officer
Lillian O. Pemberton
Twenty-one years at the firm. Previously ran our Pittsburgh chemicals business. Oversees the partnership's relationships with operating-company management.
DC
Chief Financial Officer
Dr. Daniel S. Cargill
Joined 2013. Trained as an actuary. Responsible for the consolidated balance sheet, treasury, and the firm's small in-house insurance subsidiary.
RB
Chief Investment Officer
Rachel B. Ostendorf
Came to the partnership in 1998 as an associate; succeeded Walter Halberd in 2014. Personally leads diligence on every material acquisition.
JT
General Counsel
James T. Whitford
Joined 2009 from private practice. Oversees corporate, regulatory, and the firm's two ongoing litigations (both, he is quick to note, defensive).
SK
Head of Operations
Saoirse K. Northridge
Granddaughter of co-founder Henry Northridge. Joined 2011 after a decade at a logistics holding company. Leads internal operations and HR.
EV
Chair Emerita
Eleanor R. Vance
Founding Partner. Stepped back from active management in 2024. Continues to attend Tuesday meetings as a non-voting member, when she feels like it.
The hardest part of this job is doing nothing for years at a time and not feeling guilty about it. — Rachel B. Ostendorf, Chief Investment Officer
§ II
Board of Directors
The Board
meets quarterly.
Our board comprises the Chair, two outside directors, and a non-voting observer drawn from among the operating companies' chief executives, rotated every two years.
MH
Chair of the Board
Marcus T. Halloran
Chair and Chief Executive of Cinder Peak Group.
CV
Independent Director
Cassandra V. Lindqvist
Former president of a Scandinavian heritage industrial group. On the board since 2018. Chairs the audit committee.
RP
Independent Director
The Hon. Roland P. Eisner
Retired federal judge and visiting fellow at a private university. Joined the board in 2022. Chairs the governance committee.
EV
Director Emerita
Eleanor R. Vance
Founding Partner. Non-voting observer from 2024 onwards.
§ III
Senior Advisors
Half a dozen friends
we lean on.
Our advisors are not consultants. They are former operators and former adversaries who agree, against their own better judgement, to take our occasional telephone calls.
Industrial Operations
Sir Edmund H. Drayton
Former chair of a British engineering conglomerate. Advisor since 2009.
Capital Markets
Marian K. Yost
Career fixed-income strategist. Helps think about duration and the partnership's modest balance-sheet leverage.
Energy & Real Assets
Dr. Adekunle B. Folarin
Geologist and former minister. Advises on long-cycle energy and natural-resource theses.
Family Succession
Hannelore A. Brandt
Mediator and family-business counsellor. Helps sellers and successors navigate the human side of a permanent sale.
Antitrust & Regulation
Prof. Tomás R. Esquibel
Visiting professor of competition law. On call for cross-border transactions.
Cultural Stewardship
Iona M. Whitford
Archivist and historian. Advises on heritage brands, archives, and the long memory of a portfolio company.
By the Numbers
Twenty-three companies.
Nineteen people at HQ.
Officers
0
HQ Staff
0
Operating Co.
0
Press & speaking enquiries
are answered
on Thursdays.
We accept few invitations and grant fewer interviews. But we do read every letter.
Contact the partnership