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Cover Image Jeannemarie O'Brien

Jeannemarie O'Brien

Partner at Wachtell Lipton Rosen & Katz

Lawyer

Deal Bio

Total Deals79

Valued Deals63

Total Value£ 565.20 B

Avg. Deal Size£ 8.97 B

Market Context

Awards

2019 Top Female M&A Lawyers in North America

2019 Top Employment Lawyers in North America

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MergerLinks - Jeannemarie O'Brien

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30 Jan 2018|United States|Financial Data and Systems

Target: REFINITIV HOLDINGS INC

Bidder: BLACKSTONE GROUP INC

31 Service Providers

18 Bidder | 13 Vendor

102 Dealmakers

62 Bidder | 40 Vendor

£ 12.06 B

Value

08 Mar 2018|United States|Pharmaceuticals

Target: EXPRESS SCRIPTS HOLDING CO

Bidder: CIGNA CORPORATION

15 Service Providers

6 Target | 9 Bidder

66 Dealmakers

41 Target | 25 Bidder

£ 48.67 B

Value

24 Jul 2018|United States|Banks

Target: FCB FINANCIAL HOLDINGS INC

Bidder: SYNOVUS FINANCIAL CORP

12 Service Providers

5 Target | 7 Bidder

52 Dealmakers

23 Target | 29 Bidder

£ 2.21 B

Value

28 Jan 2019|United States|Banks

Target: CHEMICAL FINANCIAL CORPORATION

Bidder: TCF FINANCIAL

10 Service Providers

5 Target | 5 Bidder

48 Dealmakers

31 Target | 17 Bidder

£ 2.73 B

Value

28 May 2019|United States|Payments / Commerce

Target: TOTAL SYSTEM SERVICES INC

Bidder: GLOBAL PAYMENTS INC

12 Service Providers

4 Target | 8 Bidder

81 Dealmakers

44 Target | 37 Bidder

£ 20.25 B

Value

09 Jun 2019|United States|Defense

Target: RAYTHEON COMPANY

Bidder: UNITED TECHNOLOGIES CORP

13 Service Providers

6 Target | 7 Bidder

96 Dealmakers

64 Target | 32 Bidder

£ 69.76 B

Value

17 Jun 2019|United States|Pharmaceuticals

Target: ARRAY BIOPHARMA

Bidder: PFIZER INC

10 Service Providers

4 Target | 6 Bidder

51 Dealmakers

21 Target | 30 Bidder

£ 9.05 B

Value

29 Jul 2019|United States|Pharmaceuticals

Target: UPJOHN

Bidder: MYLAN NV

20 Service Providers

1 Target | 9 Bidder | 10 Vendor

145 Dealmakers

1 Target | 78 Bidder | 66 Vendor

£ 18.11 B

Value

05 Sep 2019|United States|Health Care Services

Target: ASSURANCE IQ

Bidder: PRUDENTIAL FINANCIAL INC

8 Service Providers

4 Target | 4 Bidder

60 Dealmakers

17 Target | 43 Bidder

£ 1.89 B

Value

25 Nov 2019|United States|Asset Managers and Custodians

Target: TD AMERITRADE HOLDING CORP

Bidder: CHARLES SCHWAB CORPORATION

16 Service Providers

6 Target | 5 Bidder | 5 Vendor

65 Dealmakers

37 Target | 16 Bidder | 12 Vendor

£ 20.25 B

Value

21 Jan 2020|United States|Banks

Target: FRANKLIN FINANCIAL CORPORATION

Bidder: FB FINANCIAL CORPORATION

8 Service Providers

4 Target | 4 Bidder

32 Dealmakers

17 Target | 16 Bidder

£ 470 M

Value

02 Aug 2020|United States|Specialty Retailers

Target: SPEEDWAY

Bidder: 7-ELEVEN INC

17 Service Providers

12 Bidder | 5 Vendor

60 Dealmakers

29 Bidder | 31 Vendor

£ 16.05 B

Value