Ferdinand Müller-Rommel is Professor (Emeritus) of Comparative Politics at Leuphana University Lüneburg, Germany. Over the past forty years he has published numerous books and peer-reviewed journal articles on party politics and political executives in Europe.Michelangelo Vercesi is Lecturer in Comparative Politics at Leuphana University Lüneburg, Germany. His research focuses on comparative government, political elites, and party politics. He has published in peer-reviewed journals including Government and Opposition, Parliamentary Affairs, Representation.Jan Berz is Assistant Professor of Political Science at Trinity College Dublin, Ireland. His research focuses on electoral behavior, party politics and government accountability. He has published in peer-reviewed journals such as Comparative Political Studies and The British Journal of Politics and International Relations

• Chapter 1. Studying Prime Ministers’ Careers: An Introduction.- Chapter 2. The Background of Prime Ministers: Who They Are.- Chapter 3. Change of Prime Ministers’ Careers: Theoretical Considerations Chapter 4. Changing Career Experiences: Less Political, More Technical.- Chapter 5. Changing Career Profiles: From Party-Agents to Party-Principals.- Chapter 6. Conclusion: What Have We Learned and What Needs to Be Done?.

Ferdinand Müller-Rommel is Professor (Emeritus) of Comparative Politics at Leuphana University Lüneburg, Germany. Over the past forty years he has published numerous books and peer-reviewed journal articles on party politics and political executives in Europe.Michelangelo Vercesi is Lecturer in Comparative Politics at Leuphana University Lüneburg, Germany. His research focuses on comparative government, political elites, and party politics. He has published in peer-reviewed journals including Government and Opposition, Parliamentary Affairs, Representation.Jan Berz is Assistant Professor of Political Science at Trinity College Dublin, Ireland. His research focuses on electoral behavior, party politics and government accountability. He has published in peer-reviewed journals such as Comparative Political Studies and The British Journal of Politics and International Relations

• Chapter 1. Studying Prime Ministers’ Careers: An Introduction.- Chapter 2. The Background of Prime Ministers: Who They Are.- Chapter 3. Change of Prime Ministers’ Careers: Theoretical Considerations Chapter 4. Changing Career Experiences: Less Political, More Technical.- Chapter 5. Changing Career Profiles: From Party-Agents to Party-Principals.- Chapter 6. Conclusion: What Have We Learned and What Needs to Be Done?.

Ferdinand Müller-Rommel is Professor (Emeritus) of Comparative Politics at Leuphana University Lüneburg, Germany. Over the past forty years he has published numerous books and peer-reviewed journal articles on party politics and political executives in Europe.Michelangelo Vercesi is Lecturer in Comparative Politics at Leuphana University Lüneburg, Germany. His research focuses on comparative government, political elites, and party politics. He has published in peer-reviewed journals including Government and Opposition, Parliamentary Affairs, Representation.Jan Berz is Assistant Professor of Political Science at Trinity College Dublin, Ireland. His research focuses on electoral behavior, party politics and government accountability. He has published in peer-reviewed journals such as Comparative Political Studies and The British Journal of Politics and International Relations

• Chapter 1. Studying Prime Ministers’ Careers: An Introduction.- Chapter 2. The Background of Prime Ministers: Who They Are.- Chapter 3. Change of Prime Ministers’ Careers: Theoretical Considerations Chapter 4. Changing Career Experiences: Less Political, More Technical.- Chapter 5. Changing Career Profiles: From Party-Agents to Party-Principals.- Chapter 6. Conclusion: What Have We Learned and What Needs to Be Done?.