Power Struggle in Tehran:

Power Struggle in Tehran: Who Are the Top 5 Possible Successors to Iran’s Supreme Leader?

Introduction

The leadership of Iran stands at one of the most critical crossroads in its modern history. For more than three decades, the Islamic Republic has been dominated by the authority of its Supreme Leader, Ali Khamenei. As the highest political and religious authority in Iran, the

Supreme Leader holds ultimate control over the military, judiciary, intelligence services, and key elements of foreign policy.

With uncertainty surrounding Iran’s leadership and the increasing geopolitical pressures on the country, speculation has intensified about who could replace Khamenei and lead the Islamic Republic in the future. The question of succession is not merely a domestic political matter—it has profound implications for the Middle East, global energy markets, and international security.

Under Iran’s constitution, the responsibility of selecting the next Supreme Leader lies with the Assembly of Experts, an 88-member body of senior clerics elected by the public. This council evaluates candidates based on religious authority, political experience, and loyalty to the principles of the Islamic Revolution. 

Although the deliberations of the Assembly occur largely behind closed doors, several prominent figures have emerged as possible successors. Some represent continuity with the existing political system, while others symbolize potential reform or compromise within Iran’s complex power structure.

This article examines the top five potential successors who could emerge in the power struggle for leadership in Tehran.

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1. Mojtaba Khamenei – The Shadow Power Candidate

Among all potential successors, Mojtaba Khamenei is perhaps the most controversial and widely discussed figure.

Mojtaba is the second son of Ali Khamenei and a mid-ranking Shiite cleric who has spent much of his career operating behind the scenes. Despite not holding formal political office, he has long been considered one of the most influential figures in Iran’s power structure.

Political Influence

Over the years, Mojtaba reportedly developed strong relationships with the powerful Islamic Revolutionary Guard Corps (IRGC), which plays a dominant role in Iran’s military and political landscape. Many analysts believe these connections could significantly strengthen his chances of becoming Supreme Leader.

He is also believed to have played an important role in managing political networks connected to the Supreme Leader’s office. His influence extends across clerical institutions, intelligence agencies, and the security apparatus.

Strengths

• Strong support among hardline political factions

• Close relationships with the Revolutionary Guard

• Familiarity with the inner workings of Iran’s leadership

Weaknesses

However, Mojtaba’s candidacy is also controversial. Iran’s political system was founded after the 1979 revolution that overthrew the monarchy of Mohammad Reza Pahlavi. Because of this history, the idea of a father-to-son succession raises concerns about the emergence of dynastic rule.

Additionally, some critics argue that Mojtaba lacks the high religious rank traditionally expected of a Supreme Leader. 

Despite these obstacles, many analysts still consider him a leading contender because of his extensive influence within Iran’s security establishment.

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2. Hassan Khomeini – The Revolutionary Legacy Candidate

Another prominent figure often mentioned in succession discussions is Hassan Khomeini, the grandson of Iran’s revolutionary founder, Ruhollah Khomeini.

His family legacy gives him immense symbolic significance within the Islamic Republic. As the descendant of the man who led the 1979 revolution, Hassan Khomeini enjoys a level of historical legitimacy that few other figures possess.

Political Orientation

Unlike many hardline clerics, Hassan Khomeini is widely considered a moderate or reform-leaning figure. He has often advocated for greater openness in Iran’s political system and improved relations with the international community.

Because of these views, he enjoys support among reformist political factions within Iran.

Strengths

• Powerful revolutionary lineage

• Religious credentials within the clerical establishment

• Support from reformist circles

Weaknesses

However, Hassan Khomeini’s moderate reputation has also created opposition among conservative factions and the Revolutionary Guard.

In 2016, Iran’s Guardian Council even barred him from running for the Assembly of Experts, demonstrating the resistance he faces from hardline political institutions. 

If he were to become Supreme Leader, it could signal a shift toward a more moderate political direction for Iran.

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3. Alireza Arafi – The Institutional Insider

Alireza Arafi represents another powerful contender in the leadership race.

Arafi is a senior cleric with extensive experience within Iran’s religious institutions. He currently occupies several influential positions, including membership in the Guardian Council and leadership roles within Iran’s clerical education system.

He also serves as deputy chairman of the Assembly of Experts—the very body responsible for selecting the Supreme Leader.

Strengths

Arafi’s career has been deeply embedded within Iran’s institutional framework. His roles in multiple key organizations give him extensive knowledge of the country’s religious and political structures.

His close ties to the clerical establishment make him a strong consensus candidate who could potentially unite different factions.

Weaknesses

However, some analysts believe Arafi lacks the strong political personality needed to lead Iran during a period of regional conflict and domestic tension.

He is often viewed more as a capable administrator than a powerful political leader. 

Nevertheless, in situations where competing factions cannot agree on a dominant candidate, figures like Arafi often emerge as compromise choices.

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4. Sadeq Amoli Larijani – The Judicial Power Broker

Sadeq Amoli Larijani is another prominent figure frequently mentioned as a potential successor.

He previously served as head of Iran’s judiciary and currently leads the powerful Expediency Discernment Council, an advisory body that plays an important role in resolving disputes between branches of government.

Larijani belongs to one of the most influential political families in Iran. Several members of the Larijani family have held top positions in government, including parliament leadership and diplomatic posts.

Strengths

• Long experience in high-level government positions

• Strong connections within conservative political circles

• Established reputation within Iran’s political elite

Weaknesses

However, the Larijani family has faced criticism over allegations of corruption and political favoritism.

These controversies could weaken his chances of becoming the next Supreme Leader, especially if rival factions attempt to block his rise.

Despite these challenges, Larijani remains a serious candidate due to his extensive political experience.

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5. Mohammad Mehdi Mirbagheri – The Ultra-Hardline Cleric

Another figure gaining attention in succession discussions is Mohammad Mehdi Mirbagheri, a member of the Assembly of Experts and a prominent cleric in the Iranian religious establishment.

Mirbagheri is known for his strongly ideological views and his outspoken criticism of Western influence in Iran.

He currently leads the Islamic Sciences Academy in the city of Qom, a major center of Shiite scholarship.

Political Views

Mirbagheri is widely associated with the most hardline factions of the Iranian political system. He has argued that Iran should actively resist Western cultural influence and defend Islamic revolutionary values.

His rhetoric often reflects the worldview of Iran’s most conservative clerical networks. 

Strengths

• Strong ideological credentials

• Support among ultra-conservative religious groups

• Membership in the Assembly of Experts

Weaknesses

However, his extreme political views could make it difficult for him to gain broader support among Iran’s political establishment.

For this reason, many analysts see him as a symbolic candidate representing hardline ideology rather than a consensus leader.

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The Hidden Factor: The Role of the Revolutionary Guard

While clerics formally choose the Supreme Leader, many experts believe the most decisive actor in Iran’s leadership transition may actually be the Islamic Revolutionary Guard Corps.

The IRGC controls significant military, economic, and intelligence resources. Any candidate seeking to become Supreme Leader would likely require at least tacit support from this powerful institution.

The Revolutionary Guard’s influence means that Iran’s next leader will likely be someone capable of maintaining strong relationships with the security establishment.

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Conclusion

The question of who will succeed Ali Khamenei as Iran’s Supreme Leader is one of the most consequential political issues facing the Middle East today.

The outcome of this leadership struggle could shape Iran’s domestic politics, foreign policy, and regional influence for decades to come.

Among the leading contenders are:

1. Mojtaba Khamenei – the powerful insider with strong security ties

2. Hassan Khomeini – the moderate figure carrying revolutionary legitimacy

3. Alireza Arafi – the institutional cleric with strong religious credentials

4. Sadeq Amoli Larijani – the experienced political power broker

5. Mohammad Mehdi Mirbagheri – the ideological hardliner

Ultimately, the decision will be made by the Assembly of Experts, but the balance of power among Iran’s clerical institutions, political factions, and security forces will likely determine the final outcome.

Whatever the result, the succession battle in Tehran represents a pivotal moment in the history of the Islamic Republic—one that could reshape the future of Iran and the geopolitical landscape of the Middle East.