Billionaire Profile
Michael Spencer
Global Rank
#2815

Image: © House of Lords / photography by Roger Harris | CC BY 3.0 | via Wikimedia Commons

Michael Spencer

CEO, Stock exchange
UNITED KINGDOM
Real-Time Net Worth
$1.373B
Estimated based on Stock exchange stock value as of April 20, 2026
0% (24h)
Age
70
Source
Stock exchange
Industry
Finance & Investments
Citizenship
UNITED KINGDOM

Biography

Michael Spencer, born in 1955, is a British billionaire businessman and philanthropist, known for his success in the financial industry. He is the founder of NEX Group (formerly ICAP), a leading electronic markets and post-trade business, and was once described as the richest self-made person in the City of London. Spencer's wealth stems from his involvement in the stock exchange and financial investments. His career includes significant roles at Simon & Coates, Drexel Burnham, and Charles Fulton before founding Intercapital Brokers in 1986, which later became ICAP. He is also a life peer and has served as the Treasurer of the Conservative Party.

Fact Checked
Verified by Editorial Team
Live Data
Updated 4/20/2026

Wealth Over Time

In-Depth Profile

Early Life and Education

Michael Alan Spencer, born on May 30, 1955, in Kuala Lumpur, British Malaya, spent his early childhood in Sudan and Ethiopia due to his father's international civil service career. At the age of eight, he was sent to England to attend boarding school. He pursued higher education at Corpus Christi College, Oxford, where he studied physics.

Rise to Success

Spencer's career began in 1976 at Simon & Coates, followed by roles at Drexel Burnham Lambert, and Charles Fulton. In 1986, he co-founded Intercapital Brokers, which later evolved into ICAP. Under his leadership, ICAP became a global leader in inter-dealer broking. ICAP was the first to launch a real-time screen that displayed live prices. In 2018, NEX Group was acquired by CME Group, a deal that granted Spencer shares in CME.

Key Business Strategies

A pivotal strategy in Spencer's success was his early recognition of the potential in electronic markets. He focused on providing services for financial institutions, expanding into foreign exchange, and post-trade processing. He emphasized innovation and acquisitions to build what he called the global electronic superhighway, smoothing transactions across major financial centers.

Philanthropy

Spencer is a dedicated philanthropist, founding the ICAP Charity Day in 1993, an annual event that has raised over £170 million for charities. He also founded the Borana Conservation Trust. The Spencer Family Foundation supports various causes, including conservation, military, education, and initiatives in Africa.

Career Milestones

1976

Investment Analyst

Joined city broker Simon and Coates.

1980

Joined Drexel Burnham Lambert

Spent three years broking financial futures.

1986

Founded Intercapital Brokers

Co-founded Intercapital Brokers, later known as ICAP.

1993

Founded ICAP Charity Day

Launched the annual charity event.

2001

ICAP rebrands

Garban-Intercapital is renamed ICAP.

2006

ICAP Enters FTSE 100

ICAP joined the FTSE 100.

2010

Ernst & Young World Entrepreneur of the Year

Awarded the Ernst & Young World Entrepreneur of the Year.

2016

NEX Group Formation

ICAP's global voice broking business was sold, and remaining businesses formed NEX Group.

2018

CME Group Acquisition

NEX Group acquired by CME Group.

2020

Life Peerage

Granted a peerage by UK Prime Minister Boris Johnson, becoming Baron Spencer of Alresford.

Philanthropy & Social Impact

Charity

ICAP Charity Day

$215M

Annual event donating trading revenues to charities.

Conservation

Borana Conservation Trust

Undisclosed

Supports endangered species in Kenya.

Philanthropy

Spencer Family Foundation

$10M annually

Supports education, arts, and conservation worldwide.

Business Philosophy & Leadership

Notable Quotes

"I have to love it and get a buzz from working in the financial markets, otherwise I doubt that you would last five minutes."

"We were the biggest; now we are even bigger."

Leadership Principles

Innovation

Embracing new technologies and approaches in financial markets.

Philanthropy

Supporting charitable causes and giving back to the community.

Strategic Acquisitions

Using acquisitions to expand market share and services.

Controversies & Challenges

2013

LIBOR Scandal

ICAP was implicated in the global LIBOR interest rate scandal, leading to fines.