USE TSQL2012;  
IF OBJECT_ID('dbo.Team', 'U') IS NOT NULL DROP TABLE dbo.Team;
CREATE TABLE dbo.Team(
ID INT Primary Key,TL VARCHAR(30),Member VARCHAR(200))

INSERT INTO Team VALUES
(1,'Sherman','Sonia,Hilary,Clair'),
(2,'Alvin','Chris,Josie,Joanna'),
(3,'Nancy','Evelyn,Ann,Lena');

select * from Team

ID	TL	Member
1	Sherman	Sonia,Hilary,Clair
2	Alvin	Chris,Josie,Joanna
3	Nancy	Evelyn,Ann,Lena

SELECT ID,TL ,Property.value('@Name','Nvarchar(100)') AS Member 
FROM 
 (SELECT ID,TL 
	,CONVERT(XML,'<Root><S Name="'+REPLACE(Member,',','" /><S Name="')+'" /></Root>') AS Member 
	FROM Team)x 
OUTER APPLY Member.nodes('//S') AS T(Property)

ID	TL	Member
1	Sherman	Sonia
1	Sherman	Hilary
1	Sherman	Clair
2	Alvin	Chris
2	Alvin	Josie
2	Alvin	Joanna
3	Nancy	Evelyn
3	Nancy	Ann
3	Nancy	Lena