Billionaire Profile
Michael Spencer
Global Rank
#2479

Image: Public domain | via Wikimedia Commons

Michael Spencer

CEO, NEX Group
GB
Real-Time Net Worth
$1.3B
As of December 2025
Age
70
Source
Stock exchange
Industry
finance-investments
Citizenship
GB

Biography

Michael Spencer, also known as Lord Spencer of Alresford, is a prominent British businessman, investor, and philanthropist. Born in 1955, Spencer's career began in the financial sector, and he is best known as the founder of NEX Group (formerly ICAP), a leading firm in electronic markets and post-trade services. His source of wealth stems from the stock exchange and investments. Spencer has been recognized for his entrepreneurial achievements, including being named Ernst & Young's World Entrepreneur of the Year in 2010. He holds a life peerage, sits in the House of Lords, and is actively involved in philanthropic endeavors, particularly through the ICAP Charity Day, which has raised substantial funds for various charitable causes.

Wealth Over Time

In-Depth Profile

Early Life and Education

Michael Alan Spencer was born on May 30, 1955, in Kuala Lumpur, British Malaya. His father worked as an economist and civil servant, which led to the family moving to different countries during his childhood. He attended Worth School in Sussex, England, and later studied Physics at Corpus Christi College, Oxford.

Rise to Success

Spencer began his career in the financial industry in 1976 at Simon & Coates. He subsequently worked at Drexel Burnham Lambert before becoming a director at Charles Fulton. In 1986, he co-founded Intercapital Brokers, which later became ICAP. Under Spencer's leadership, ICAP grew into a global financial powerhouse and was included in the FTSE 100 index.

Key Business Strategies

ICAP revolutionized the trading world by introducing electronic platforms. Spencer's strategic vision led to ICAP's sale of its voice broking business and the rebranding of the remaining operations as NEX Group, which focused on electronic markets and post-trade technology. NEX Group was later acquired by CME Group in 2018. Spencer also invested in various fintech firms through his private investment firm, IPGL Group.

Philanthropy

Spencer is known for his significant philanthropic contributions. In 1993, he founded the ICAP Charity Day, an annual event that has raised over £170 million for charities worldwide. He is also involved in conservation efforts through the Borana Conservation Trust in Kenya.

Career Milestones

1976

Investment Analyst

Began career at Simon & Coates.

1986

Co-founded Intercapital Brokers (ICAP)

Launched firm that became a global leader in financial markets.

2006

ICAP enters FTSE 100

ICAP, with Spencer as CEO, became one of the few founder-led companies to achieve this.

2010

Ernst & Young World Entrepreneur of the Year

Awarded for entrepreneurial achievements.

2016

ICAP rebranded as NEX Group

Following the sale of its voice broking business.

2018

NEX Group Acquired by CME Group

The acquisition valued at $5.4 Billion

2020

Life Peerage

Became Baron Spencer of Alresford.

Philanthropy & Social Impact

Charity

ICAP Charity Day

$214M

Annual event raising funds for charities.

Conservation

Borana Conservation Trust

Unknown

Supports endangered species in Kenya.

Philanthropy

The Michael and Sarah Spencer Foundation

Unknown

Supports education, arts and conservation worldwide

Business Philosophy & Leadership

Notable Quotes

"I read physics at Oxford, but I always knew I wanted to work in the City."

Leadership Principles

Innovation

Early adopter of electronic markets and trading platforms.

Strategic Vision

Led ICAP and NEX Group through significant changes in the financial industry.

Philanthropy

Commitment to charitable causes, demonstrated through ICAP Charity Day.

Controversies & Challenges

2013

LIBOR Investigation

ICAP was involved in the LIBOR-rigging investigation, though Spencer was not personally charged.