Klarna vs Walmart: Founders, CEOs and History
Klarna was founded in 2005 by Sebastian Siemiatkowski, Niklas Adalberth, Victor Jacobsson and is led by Sebastian Siemiatkowski. Walmart was founded in 1962 by Sam Walton and is led by John Furner.
Company facts
Founders
Klarna
Sebastian Siemiatkowski
Sebastian Siemiatkowski, born in 1981 in Sweden to Polish immigrant parents, co-founded Klarna (originally Kreditor) with Niklas Adalberth and Victor Jacobsson in 2005.
Niklas Adalberth
Niklas Adalberth co-founded Klarna in 2005 with Sebastian Siemiatkowski and Victor Jacobsson and helped run the business during its expansion as Deputy CEO.
Victor Jacobsson
Victor Jacobsson co-founded Klarna in 2005 with Sebastian Siemiatkowski and Niklas Adalberth.
Walmart
Sam Walton
Sam Walton opened the first Walmart Discount City in Rogers, Arkansas in 1962 and built the company around low prices, low costs, and its own distribution network. He served as CEO until 1988 and remained chairman until his death in 1992.
CEOs and their tenures
Klarna
- Sebastian Siemiatkowski2005–present
Co-founder and Chief Executive Officer
Has led Klarna since its founding, growing it from a Stockholm invoice startup into a $3.5 billion-revenue public company.
Source - Niklas Adalberth2005–2015
Co-founder, former Deputy CEO
As Co-Founder, he served as Deputy CEO, scaling the company across Europe before resigning in 2015 to found the Norrsken Foundation, a tech-focused philanthropic fund.
Source - Niclas Neglén2021–present
Chief Financial Officer
As CFO, he engineered the severe cost-cutting measures required to drive the company back toward profitability ahead of its highly anticipated US IPO.
Source
Walmart
- Sam Walton1962–1988
Founder and CEO
Founded Walmart and set its low-price, low-cost operating approach.
Source - Doug McMillon2014–2026
Former President and CEO
Led Walmart's push into ecommerce, marketplace, advertising, and store-fulfilled delivery, and oversaw the Jet.com, Flipkart, and VIZIO deals.
Source - Greg Penner2015–present
Chairman of the Board
He successfully managed the transition of corporate leadership to Doug McMillon and actively oversees the Walton family's controlling stake in the retail giant.
Source - John David Rainey2022–present
Executive Vice President and CFO
As CFO, he aggressively executed multi-billion-dollar share repurchases while funding massive capital expenditures for store remodels and automation.
Source - John Furner2026–present
President and CEO
Became President and CEO on February 1, 2026, succeeding Doug McMillon. He reshaped the executive team with internal promotions in January 2026.
Source - David Guggina2026–present
President and CEO, Walmart U.S.
As head of supply chain operations, he modernized the underlying logistics network that allowed Walmart to successfully compete with Amazon's two-day delivery speeds.
Source
Timeline: Klarna and Walmart side by side
1962Walmart
First Walmart Opens
Sam Walton opens the first Walmart Discount City in Rogers, Arkansas.
1970Walmart
Walmart Goes Public
Walmart sells shares to the public to fund expansion.
1983Walmart
Sam's Club Launches
The first Sam's Club warehouse club opens in Midwest City, Oklahoma.
1988Walmart
First Supercenter and New CEO
Walmart opens its first supercenter, and David Glass succeeds Sam Walton as CEO.
2000Walmart
Lee Scott Becomes CEO
Lee Scott succeeds David Glass as CEO.
2005Klarna
Founded as Kreditor
Sebastian Siemiatkowski, Niklas Adalberth and Victor Jacobsson launch an invoice-after-delivery service for Swedish online shops.
2009Klarna
Renamed Klarna
Kreditor is rebranded as Klarna and expands across the Nordics and into Germany and the Netherlands.
2014Klarna
Acquires SOFORT
Klarna completes its purchase of German bank-transfer payment provider SOFORT, giving it scale in the DACH region.
2014Walmart
Doug McMillon Becomes CEO
Doug McMillon, who started as an hourly associate in 1984, becomes CEO.
2016Walmart
Jet.com Acquisition
Walmart buys Jet.com for about $3.3 billion to strengthen its U.S. ecommerce team.
2017Klarna
Swedish banking licence
Klarna receives a full banking licence from the Swedish Financial Supervisory Authority, operating as Klarna Bank AB.
2018Walmart
Flipkart Investment
Walmart acquires a majority stake in Flipkart for about $16 billion.
2021Klarna
$45.6 billion valuation
A SoftBank-led funding round values Klarna at $45.6 billion during the pandemic e-commerce boom.
2022Klarna
Valuation reset and layoffs
Klarna cuts about 10% of staff in May and raises money in July at a $6.7 billion valuation.
2024Klarna
Return to net profit
Klarna reports a $21 million net profit for 2024 on $2.81 billion of revenue.
2024Walmart
VIZIO Acquisition
Walmart completes its $2.3 billion purchase of smart-TV maker VIZIO to expand its advertising business.
2025Klarna
NYSE IPO
Klarna lists on the New York Stock Exchange as KLAR in September 2025, pricing at $40 per share.
2026Klarna
FY2025 results
Klarna reports $3.51 billion of FY2025 revenue, $127.9 billion of GMV, $65 million of adjusted operating profit and a $273 million net loss.
2026Klarna
Q2 profit and guidance cut
Klarna posts a $9 million Q2 2026 net profit on $1.042 billion of revenue but lowers 2026 GMV guidance to $149-151 billion.
2026Walmart
John Furner Becomes CEO
John Furner succeeds Doug McMillon as President and CEO effective February 1, 2026; David Guggina takes over Walmart U.S.
2026Walmart
Q2 FY27 Results
Walmart reports Q2 FY27 revenue of $187.9 billion, up 5.9%, and raises full-year sales and operating income guidance.
Acquisitions
Klarna
- PriceRunner2022Undisclosed
- APPRL2021Undisclosed
- HERO2021Undisclosed
- Stocard2021Undisclosed
- Moneymour2020Undisclosed
- BillPay2017Undisclosed
Questions about Klarna vs Walmart
Who is the CEO of Klarna Group plc and Walmart Inc.?
Klarna Group plc is led by Sebastian Siemiatkowski and Walmart Inc. is led by John Furner. Both serve as the top executive responsible for the company's strategy, operations, and financial performance.
When was Klarna Group plc founded vs Walmart Inc.?
Walmart Inc. was founded in 1962 — 43 years before Klarna Group plc, which was founded in 2005. Walmart Inc.'s longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger Klarna Group plc.
How many employees does Klarna Group plc have compared to Walmart Inc.?
Klarna Group plc employs approximately 2,831 people, while Walmart Inc. employs approximately 2,100,000. Walmart Inc. has the larger workforce at 2,100,000 employees, compared to Klarna Group plc's 2,831. A higher headcount does not necessarily imply greater efficiency — it often reflects differences in business model (e.g., manufacturing vs. software).
Where are Klarna Group plc and Walmart Inc. headquartered?
Klarna Group plc is headquartered in United Kingdom and Walmart Inc. is headquartered in United States. Their different home markets mean they may face different regulatory frameworks, tax regimes, and currency exposure.
Who founded Klarna Group plc and Walmart Inc.?
Klarna Group plc was founded by Sebastian Siemiatkowski, Niklas Adalberth, Victor Jacobsson. Walmart Inc. was founded by Sam Walton.
Which company has a longer operating history — Klarna Group plc or Walmart Inc.?
Walmart Inc. has been operating for approximately 64 years, making it the more established of the two companies. Klarna Group plc has been in operation for around 21 years. A longer operating history often signals greater institutional resilience and brand recognition, though it can also mean slower adaptation to new market conditions.
Figures come from each company's filings and the sources linked beside them. Amounts reported in another currency are shown in US dollars at an approximate rate and marked with ~. Back to the Klarna vs Walmart overview