Singer and actor Lee Seung Gi’s father-in-law, who is also actress Kyeon Mi Ri’s husband, has been sentenced to prison following the first trial of a significant stock manipulation case. The ruling, delivered on September 29, underscores South Korea’s ongoing efforts to curb financial misconduct and maintain the integrity of its capital markets, while also drawing intense public scrutiny due to the family’s prominent celebrity connections.
Details of the Sentencing and Charges
On September 29, the Seoul Southern District Court handed down a sentence of three years and six months in prison to Mr. Lee, whose full name has not been publicly disclosed in connection with the report, for violations of South Korea’s stringent Capital Markets Act. In addition to the custodial sentence, the court ordered Mr. Lee to pay a substantial fine of ₩400 million KRW (approximately $296,000 USD) and forfeit approximately ₩126 million KRW (about $92,800 USD).
Mr. Lee and his co-defendants faced accusations of orchestrating sophisticated schemes to manipulate the share prices of companies listed on KOSDAQ, South Korea’s equivalent of NASDAQ, primarily aimed at small and medium-sized enterprises. The alleged methods of manipulation included creating false impressions that the target companies were pursuing lucrative new business ventures or had successfully secured major, high-value investments. Furthermore, they were accused of engaging in repeated buying and selling of shares in a manner designed to artificially inflate or depress market prices, often referred to as "wash trading" or "churning," which creates a misleading appearance of active trading and demand.
In its detailed judgment, the court vehemently emphasized the grave seriousness of market manipulation offenses. The presiding judge articulated that such illicit conduct fundamentally distorts the market’s crucial ability to form fair and accurate prices, thereby undermining investor confidence and causing significant financial harm to ordinary, unsuspecting investors who rely on transparent market mechanisms. The ruling serves as a stern warning against those who seek to exploit the financial system for personal gain at the expense of market stability and public trust.
However, the court also delivered a partial acquittal for Mr. Lee, dismissing a separate charge under the Attorney-at-Law Act. While acknowledging that Mr. Lee had indeed received money, the court found insufficient concrete evidence to conclusively prove that he had personally accepted these funds in direct exchange for improper solicitation. Additionally, he was acquitted of some specific alleged market-manipulation acts, again due to a lack of sufficient evidentiary proof to secure a conviction on those particular counts. This nuanced outcome reflects the rigorous legal standards applied in South Korean courts, requiring clear and compelling evidence for each specific charge.
The case also involved another defendant, a former prosecution investigator, also surnamed Lee, who received a significantly more severe sentence. This individual was sentenced to 10 years in prison, ordered to pay a colossal fine of ₩24.0 billion KRW (approximately $17.7 million USD), and faced a forfeiture order of around ₩6.01 billion KRW (about $4.45 million USD). The stark difference in sentences between the two defendants surnamed Lee highlights the varying degrees of involvement, culpability, and the specific nature of the charges brought against each individual in this complex financial crime.
Background of Stock Manipulation in South Korea
Stock manipulation remains a persistent challenge in South Korea’s financial landscape, despite continuous efforts by regulatory bodies to enhance oversight and impose stricter penalties. The KOSDAQ market, established in 1996, is particularly vulnerable due to its focus on smaller, often growth-oriented companies with less market capitalization and liquidity, making their stock prices potentially easier to influence through concerted manipulative efforts.
Historically, South Korea has grappled with high-profile cases of market manipulation that have eroded public trust in its capital markets. These cases often involve intricate schemes utilizing various tactics, from spreading false rumors and misleading information (pump-and-dump schemes) to coordinated trading by colluding parties to create artificial demand or supply. The financial authorities, including the Financial Services Commission (FSC) and the Korea Exchange (KRX), have continually strengthened their surveillance systems, introduced harsher penalties, and improved cooperation with investigative agencies like the prosecutor’s office to combat these crimes. The Capital Markets Act, under which Mr. Lee was charged, is the primary legal framework designed to prevent and punish such illicit activities, aiming to ensure fair trading practices and protect investors.
The social and economic ramifications of market manipulation extend far beyond individual financial losses. Such crimes can deter both domestic and international investment, hinder legitimate corporate growth, and ultimately undermine the nation’s economic stability. The court’s explicit statement on the seriousness of distorting fair price formation underscores the broader societal impact that these offenses carry, affecting not just the immediate victims but the entire ecosystem of the national economy.
The Celebrity Connection and Preemptive Action
This particular case has garnered additional, intense public interest precisely because of Mr. Lee’s familial connection to one of South Korea’s most recognized celebrity families. Mr. Lee is the husband of veteran actress Kyeon Mi Ri, known for her extensive career in television dramas, and the stepfather of actress Lee Da In. Lee Da In herself gained significant public attention when she married the immensely popular singer and actor Lee Seung Gi in April 2023.

Lee Seung Gi, a household name in South Korea, has enjoyed a long and successful career spanning music, acting, and variety shows, cultivating an image of integrity and professionalism. His marriage to Lee Da In, while celebrated by many, was also met with some public controversy stemming from pre-existing legal issues surrounding her family, particularly allegations against her stepfather.
Crucially, in April 2025, approximately a year and a half after his marriage and well in advance of this specific sentencing, Lee Seung Gi took the extraordinary and public step of addressing the ongoing controversies surrounding his father-in-law. In a candid statement, he announced that he and Lee Da In had made the difficult decision to "sever our relationship with her family." He articulated at the time that the trust between the families had been damaged to a point that was difficult, if not impossible, to repair, citing the immense pressure and scrutiny the couple faced due to the lingering legal issues.
His statement read: "After much consideration, my wife and I have decided to sever our relationship with her family." This unprecedented public declaration from a major celebrity to distance himself from his in-laws underscored the severity of the allegations and the profound impact they had on his personal and professional life. The move was widely interpreted as an attempt to protect his public image and the sanctity of his own family unit, demonstrating a clear effort to draw a line between his life and the legal troubles of his wife’s family. This preemptive action highlights the long shadow cast by the ongoing legal saga, which has now culminated in a prison sentence for his father-in-law.
Chronology of Key Events
To provide a clearer understanding of the timeline:
- Early 2020s (Approximate): The period during which the alleged stock manipulation acts are believed to have occurred, as investigated by financial authorities.
- April 2023: Lee Seung Gi and actress Lee Da In, Kyeon Mi Ri’s daughter, tie the knot in a highly publicized wedding, bringing their respective families into the national spotlight.
- April 2025: Lee Seung Gi publicly announces that he and his wife, Lee Da In, have decided to "sever their relationship" with her family, citing irreparable damage to trust due to ongoing controversies surrounding his father-in-law. This statement precedes the formal sentencing in the current case but indicates a long-standing issue.
- September 29, 2026: The Seoul Southern District Court delivers its verdict in the first trial of the stock manipulation case, sentencing Mr. Lee (Lee Seung Gi’s father-in-law) to three years and six months in prison, along with fines and forfeiture orders.
Legal Implications and Potential Appeals
It is important to note that the sentencing on September 29 represents the conclusion of the "first trial" in the South Korean judicial system. This means that both the defense and the prosecution retain the right to appeal the court’s decision. Should either party choose to appeal, the case would then proceed to the High Court, and potentially even to the Supreme Court if further appeals are lodged.
The appeals process can be lengthy and may result in the original sentence being upheld, modified, or even overturned, depending on the arguments presented and the High Court’s re-evaluation of the evidence and legal interpretations. For Mr. Lee, an appeal would be a standard legal recourse to challenge the conviction and sentence. Similarly, the prosecution might appeal if they believe the sentence was too lenient or if they wish to challenge the acquittals on certain charges. The legal battle surrounding this high-profile case is, therefore, likely not yet concluded.
Broader Impact and Public Perception
The sentencing of Lee Seung Gi’s father-in-law carries significant implications for various stakeholders. For the individuals directly involved, it means facing the consequences of a serious legal judgment and the potential for a prolonged legal battle through appeals. For Lee Seung Gi and Lee Da In, despite their public efforts to distance themselves, the ongoing legal saga will inevitably continue to attract media attention and public scrutiny, adding a layer of complexity to their public lives.
From a broader perspective, this case serves as a stark reminder of the challenges in maintaining ethical conduct within financial markets and the heavy penalties for those who transgress. It also reinforces the principle that no individual, regardless of their connections, is above the law. The rigorous enforcement of the Capital Markets Act is crucial for fostering a fair and transparent investment environment, which is vital for both domestic and international investor confidence in South Korea.
The public’s reaction to such cases, especially when intertwined with celebrity figures, is often characterized by a mix of concern for market integrity and a fascination with the personal dramas unfolding within prominent families. The consistent reporting on these issues by mainstream news outlets highlights the public’s demand for accountability and transparency, particularly from those in positions of influence or those connected to public figures.
As the legal proceedings potentially move into the appeals phase, the case will undoubtedly continue to be a subject of public discourse, underscoring the delicate balance between personal privacy, public accountability, and the unyielding pursuit of justice in financial markets. The resolution of this case will set precedents and reinforce the regulatory framework designed to protect the integrity of South Korea’s burgeoning economy and its investor base.