• Stockholms University, LL. M, 1990


  • Partner Mannheimer Swartling Advokatbyrå, 1998-2004
  • Associate Mannheimer Swartling Advokatbyrå, 1992-1997
  • Staff attorney IBM Svenska AB, 1990-1991



Highly regarded for his work on M&A transactions, Johan Winnerblad is lauded by one client as being 

"exceptionally good, extremely experienced and knowledgeable."

Winnerblad also has a strong focus on private equity transactions, often acting for Swedish clients. Chambers & Partners 2021

Johan Winnerblad is ranked as Leading Individual at Legal 500 2020

Johan Winnerblad garners considerable praise for his transactional practice. He often acts on the sell side and offers particular experience in small and mid-cap venture capital mandates. Clients say: "He is experienced, knowledgeable, quick to respond and efficient." Chambers & Partners 2020

Johan Winnerblad is ranked as Market leader at IFLR 1000 2020

The 'dedicated' Johan Winnerblad is ranked as a "Leading individual" hos Legal 500, 2019.

Clients enthuse that he has "an extremely high energy level, a short response time and is very experienced and knowledgeable." (Private Equity) Chambers & Partners 2019

Described as an experienced practitioner who is "super efficient and responsive" with "very broad skills," Johan Winnerblad  handles a range of transactions, including deals in the venture capital space. (Corporate/M&A) Chambers & Partners 2019

Johan Winnerblad is ranked as Market leader at IFLR 1000 2019

Johan Winnerblad is ranked as a "Leading individual" hos Legal 500, 2018.

Johan Winnerblad co-heads the firm's corporate team and continues to handle a large volume of M&A transactions, including numerous mid-market deals as well as the largest mandates. One interviewee notes: "He is one of the most experienced M&A lawyers in the Nordics." (Corporate/M&A) - Chambers & Partners 2018

Johan Winnerblad is described as a "very sharp" and "pragmatic" practitioner with "a lot of experience." (Private Equity) - Chambers & Partners 2018

Johan Winnerblad is a prominent practitioner acting on a range of transactions from small to large-cap M&A. He frequently advises clients in the financial services, TMT and life sciences sectors. According to sources, he is "energetic and really skilled." (Corporate/M&A) - Chambers & Partners 2017

Johan Winnerblad stands out to clients for his expertise and clear communication: "He is very knowledgeable, very easy to communicate with and he gives straight answers." The same source adds that he is "very responsive and really focused." He advises on a mixture of private equity investments and mid-sized transactions, with a particular focus on venture capital deals. (Private Equity) - Chambers & Partners 2017

Johan Winnerblad acts on behalf of clients in the life sciences, financial services, IT and telecommunications sectors. He advises on both public M&A and private equity transactions and is described by market sources as a "very strong" practitioner. (Corporate/M&A) - Chambers & Partners 2016

Interviewees say Johan Winnerblad is "very strong - very nice to work with and always extremely pragmatic in negotiations." (Private Equity) - Chambers & Partners 2016

Johan Winnerblad is described as "a very hands-on partner" and is best known for his busy practice in small and mid-cap M&A transactions. (Corporate/M&A) - Chambers & Partners 2015

Johan Winnerblad handles M&A-related transactions and exits. Clients explain that he is a "good negotiator, solution-oriented, pragmatic and very experienced." Cases this year include acquisitions and sales of portfolio companies. (Private Equity) - Chambers & Partners 2015

Johan Winnerblad is described as "a high-velocity lawyer" and noted for his busy practice (Corporate/M&A). - Chambers & Partners 2014

A highly respected transactional lawyer, Johan Winnerblad,"He is a key adviser; he is extremely attentive and responsive to our needs," clients enthuse". (Private Equity) - Chambers & Partners