Sarah Rafferty’s husband Santtu Seppälä Biography: Net Worth, Ethnicity, Age, LinkedIn, Wikipedia, Suits

September 4, 2023 0 Posted By Lorenza Nicholas


Aleksanteri Olli-Pekka Seppälä (born December 6, 1974), known professionally as Santtu Seppälä, is an astute American stock research analyst and seasoned businessman. He is the Chief Investment Officer (CIO) at Kiitos Capital Management in California.

He gained fame after marrying the renowned American actress Sarah RaffertySanttu Seppälä‘s journey in the financial world commenced back in 1993 when he embarked on his career as a financial analyst at Salomon Brothers. 

Since then, Santtu Seppälä has amassed a wealth of experience within the finance industry, contributing his expertise to multiple investment firms in diverse capacities. He is loved for his spectacular suits.

Santtu Seppäläverify button
Santtu Seppälä: History ‧ Bio ‧ Photo
Wiki Facts & About Data
Full Name: Aleksanteri Olli-Pekka Seppälä
Stage Name: Santtu Seppälä
Born: 6 December 1974 (age 49 years old)
Place of Birth: Lake Forest, Illinois, United States
Nationality: American
Education: Wharton School of the University of Pennsylvania, Yale University
Height: 1.65 m
Parents: Antti V. Seppala
Siblings: N/A
Spouse: Sarah Rafferty (m. 2001)
Girlfriend • Partner: N/A
Children: Oonna Gray Seppälä, Iris Friday Seppälä
Occupation: Financial Analyst • Businessman
Net Worth: $10 million

Early Life & Education

Santtu Seppälä, born on December 6, 1974, in Illinois, USA, grew up in Lake Forest, where his father, Antti V. Seppala, worked as a pharmaceutical industry consultant. He is an American of Finnish descent.

His early life took him across various countries, including Finland, Sweden, Denmark, France, and Germany, enriching his global perspective. Santtu Seppälä pursued his education at Yale University and the Wharton School of the University of Pennsylvania, focusing on economics and business.

In the world of startups, Santtu Seppälä co-founded a popular mobile app, which a larger tech company eventually acquired. Today, he invests in promising startups, mentoring young entrepreneurs, and serving on several corporate boards.


At Yale, Santtu Seppälä ignited his passion for entrepreneurship, initiating his first business venture. Despite formidable challenges, he emerged as a triumphant entrepreneur and investor, particularly in the tech industry. Co-founding a startup that birthed a popular mobile app, ultimately acquired by a tech giant, Seppälä gained invaluable insights into tech startups and investments.

Santtu Seppälä is now an active tech investor, nurturing promising startups and mentoring young entrepreneurs. He’s also a sought-after speaker at global events. Starting as a financial analyst at Salomon Brothers in 1993, his journey led through diverse roles in prominent firms, refining his investment analysis skills.

In 2001, driven by entrepreneurial fervor, he co-founded a successful startup. Since then, Santtu Seppälä has mentored emerging entrepreneurs and is influential in the entrepreneurial community. Today, he continues to invest and advise, fostering innovation in the tech sector. He holds key roles at Angeleno Group and Staxxon.

Social Media

  • Instagram handle: Santtu Seppälä (@santtuss)
  • Twitter handle: @santsu_9 – Santtu Seppälä

Personal Life

Santtu Seppälä‘s personal life reflects a harmonious blend of commitment and family. He has been happily married to actress Sarah Rafferty since June 23, 2001, with their union celebrated in a picturesque ceremony in Greenwich, Connecticut. Their journey together has blessed them with two cherished daughters, Oonna Gray Seppälä in 2007 and Iris Friday Seppälä in 2012.

Outside of his bustling career, Santtu Seppälä is deeply involved in charitable endeavors, particularly those advocating for environmental and educational causes. Despite his demanding schedule, his dedication to family and his mission to drive innovation and growth in the tech sector remains resolute.

Net Worth

Santtu Seppälä‘s net worth is estimated to be around $10 million. He has accumulated his wealth through his successful career in the tech industry and his investments in various startups and ventures.

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