Dan Koh Bio, Age, Height, Wife, Family, Congress, Policies & Net Worth

Who is Dan Koh? | Biography

Dan Koh is a Democratic politician, former White House official, and 2026 congressional candidate from Massachusetts. Born Daniel Arrigg Koh on January 1, 1985, he grew up in Andover, Massachusetts. His father, Howard Koh, served as assistant secretary for health under President Barack Obama. His mother, Claudia Arrigg, is an ophthalmologist. Therefore, Koh grew up in a family shaped by medicine and public service.

Koh attended Phillips Academy before earning a bachelor’s degree from Harvard College. Later, he earned an MBA from Harvard Business School. He started his career at Boston Consulting Group and later served as Arianna Huffington’s chief of staff. At 29, Koh became chief of staff to Boston Mayor Marty Walsh. In that position, he helped manage priorities involving housing, transportation, economic development, and public services.

Additionally, Koh served on the Andover Select Board from 2019 until 2021. He then joined the Biden administration as chief of staff to Labor Secretary Marty Walsh. Koh later became White House deputy cabinet secretary and deputy director of intergovernmental affairs. These roles strengthened his experience in federal policy, local government, and executive leadership.

In 2018, Koh narrowly lost Massachusetts’ 3rd District Democratic primary to Lori Trahan by 145 votes. However, he returned to electoral politics in October 2025. He now seeks the Democratic nomination for Massachusetts’ 6th Congressional District in the 2026 election. The open seat follows Representative Seth Moulton’s decision to pursue the U.S. Senate.

Beyond politics, Koh founded Reverate Media and launched The People’s Cabinet podcast. He married Amy Sennett in 2016, and they have two children, Theodora and Jack. Moreover, Koh is an accomplished marathon runner who highlights family, affordability, democracy, and public service throughout his 2026 campaign.

Dan Koh Age | How Old is Dan Koh?

Dan Koh is 41 years old in 2026. He was born on January 1, 1985, in Andover, Massachusetts. Therefore, the Democratic politician celebrated his 41st birthday at the beginning of 2026. Koh entered public leadership at a relatively young age. At 29, he became chief of staff to Boston Mayor Marty Walsh. Later, he served in senior roles within President Joe Biden’s administration. His age reflects more than a decade of experience across local and federal government. Moreover, Koh launched his 2026 campaign for Massachusetts’ 6th Congressional District at age 40.

Dan Koh Height | How Tall is Dan Koh?

Dan Koh stands 5 feet 10 inches tall. His height gives him a confident presence during campaign events, interviews, and public appearances. Moreover, Koh maintains an active lifestyle through distance running and marathon participation. His athletic background complements his 5-foot-10 frame and energetic public image. Koh frequently appears alongside national and Massachusetts political leaders while campaigning across the 6th Congressional District. Additionally, his height suits the polished appearance he brings to debates, community meetings, and media engagements.

Dan Koh Political Party

Dan Koh belongs to the Democratic Party. He is seeking the Democratic nomination for Massachusetts’ 6th Congressional District in the 2026 election. Previously, Koh served in President Joe Biden’s White House and worked closely with Democratic leader Marty Walsh. His political platform emphasizes lower living costs, stronger worker protections, accessible healthcare, democratic institutions, and accountable government. Moreover, Koh presents himself as a results-focused Democrat with experience across federal, state, and local leadership. He also supports organized labor and rejects corporate PAC contributions. Therefore, Dan Koh’s political party and policy priorities place him firmly within the modern Democratic coalition in Massachusetts.

Dan Koh Education

Dan Koh built his educational foundation at Phillips Academy in Andover, Massachusetts, graduating in 2003. He then attended Harvard College and earned a Bachelor of Arts in Government in 2007. Additionally, Koh completed a secondary field in psychology and wrote an honors thesis about race classification in college admissions. He later returned to Harvard and earned his Master of Business Administration from Harvard Business School in 2011. While studying there, Koh served as section president and co-president of the Volunteer Consulting Club. Together, Dan Koh’s education combines government, psychology, business leadership, academic research, and valuable community service experience.

Dan Koh Ethnicity | What ethnicity is Daniel Koh?

Dan Koh is a Korean and Lebanese American Democratic politician. His father’s family came from Korea, while his mother’s family traces its roots to Lebanon. Specifically, his paternal grandfather, Kwang Lim Koh, came from Jeju Island and later became a Korean diplomat. His maternal ancestors arrived in Lawrence, Massachusetts, from Lebanon during the 1890s. Together, these cultures shaped Koh within a multicultural family connecting Asian and Middle Eastern traditions. Moreover, he proudly discusses his immigrant background while supporting diversity and thoughtful immigration policies. Dan Koh’s ethnicity forms an important part of his identity, family story, and approach to public service.

Dan Koh Religion | What Religion is Dan Koh?

Dan Koh has not disclosed a specific religious affiliation. His campaign biography discusses his Korean and Lebanese heritage, family, education, and career without naming a faith. However, Koh has emphasized religious freedom and the constitutional separation of church and state. He views faith as important while supporting government neutrality toward different beliefs. Additionally, his 2016 marriage to Amy Sennett included a religious ceremony, although this does not establish his denomination. Readers should avoid labeling him Christian, Catholic, Buddhist, or another faith without confirmation. Ultimately, Dan Koh’s religion remains private, while his political position supports equal religious rights for every American.

Dan Koh Wife | Is Dan Koh married?

Dan Koh’s wife is Amy Sennett, an attorney and business executive. The couple met on their first day of graduate school at Harvard. At that time, Koh pursued an MBA, while Sennett completed a joint JD and MBA program. Later, Koh proposed at the Boston Marathon finish line in 2015. They married at Boston City Hall in 2016, with Mayor Marty Walsh officiating. Additionally, Sennett serves as general counsel and corporate secretary at micro1. She also teaches as a lecturer at Columbia Law School. Dan and Amy have two children, Theodora and Jack, and share a passion for marathon running.

Dan Koh Children

Dan Koh and his wife, Amy Sennett, have two children, Theodora and Jack. The couple welcomed their daughter, Theodora Jean Koh, on August 2, 2020. She turned six in August 2026, while her younger brother Jack is three. Additionally, the children share German, Irish, Italian, Lebanese, and Korean heritage through their parents. Koh often describes fatherhood as a major influence on his political priorities. He supports affordable childcare, stronger schools, climate action, healthcare access, and safer communities for future generations. Moreover, Dan Koh’s children motivate his campaign focus on building a more affordable, diverse, and hopeful future for American families.

Dan Koh Family | Parents and Siblings

Dan Koh comes from a prominent Korean-Lebanese American family centered on medicine, law, education, and public service. His parents are Dr. Howard Koh and Dr. Claudia Arrigg. Howard Koh, a physician and public health leader, served as assistant secretary for health under President Barack Obama. Meanwhile, Claudia Arrigg built her career as an ophthalmologist in Massachusetts. Koh is the middle of three children. His older brother, Steven Arrigg Koh, teaches law at Boston University. Additionally, his younger sister, Dr. Katherine Koh, works as a psychiatrist at Massachusetts General Hospital. Their achievements strongly influenced Dan Koh’s public-service values and professional career.

Dan Koh for Congress | Campaign, Polls, Primary and Election Results

Dan Koh launched his 2026 congressional campaign to represent Massachusetts’ 6th District after Seth Moulton pursued the Senate. The Democratic primary features Koh, Tram Nguyen, John Beccia, Jamie Belsito, Bethany Andres-Beck, and Mariah Lancaster. Moreover, Koh campaigns on affordability, stronger worker protections, healthcare, democracy, and opposition to President Donald Trump.

An internal Global Strategy Group poll placed Koh first at 34 percent, ahead of Beccia and Nguyen. Beccia received 15 percent, while Nguyen received 14 percent. The survey questioned 400 likely Democratic voters between July 30 and August 2. However, 24 percent remained undecided, and national independent polling remained limited.

Voters will decide the Democratic primary on September 1, 2026, before the November 3 general election. Currently, no official 2026 results exist because voting has not concluded. Previously, Koh contested Massachusetts’ 3rd District in 2018. He lost the Democratic nomination to Lori Trahan by 145 votes after a districtwide recount.

Dan Koh Policies and Political Views

Dan Koh holds progressive Democratic views centered on affordability, labor rights, healthcare, democratic reform, and government accountability. He supports universal healthcare through Medicare for All, while allowing people to retain private insurance. Additionally, Koh wants more affordable housing, lower childcare costs, stronger unions, and expanded economic opportunity. He backs voting protections, opposes corporate PAC money, and supports banning congressional stock trading. Moreover, he advocates campaign finance reform to reduce wealthy interests’ influence over government decisions.

On social policy, Koh supports abortion rights, LGBTQ+ equality, racial justice, gun safety laws, and strong public schools. He favors marriage equality and healthcare protections for transgender Americans. Furthermore, Koh wants comprehensive climate action, renewable energy investment, resilient coastal communities, and improved public transportation. He supports immigration reform and calls for abolishing President Trump’s current federal ICE enforcement structure entirely. Koh also promises to challenge Trump, defend constitutional government, and protect democratic institutions from corruption.

Dan Koh AIPAC | Donations, Israel Position and Gaza Views

Dan Koh has not received direct campaign funding from AIPAC, the prominent pro-Israel lobbying organization. However, he declined to rule out future AIPAC support during a December 2025 interview. Koh said he had not pursued the organization’s endorsement. Meanwhile, a Working Mass review of FEC filings identified $183,700 from 68 donors who also supported AIPAC. Those individual contributions do not constitute direct AIPAC funding.

On Israel and Gaza, Koh supports Israel’s right to defend itself and favors a negotiated two-state solution. Additionally, he supports humanitarian aid for civilians in Gaza and has criticized Israeli Prime Minister Benjamin Netanyahu. Koh also warns that criticism of Israel’s government must never encourage antisemitism. His AIPAC position has drawn criticism from Democratic primary rival Jamie Belsito, who rejects AIPAC and super PAC support.

Dan Koh Net Worth 2026

Dan Koh’s net worth is estimated at $5.8 million. The figure reflects disclosed investments, retirement accounts, property interests, and other financial assets. However, financial disclosure forms report value ranges, so no document provides an exact personal total. Koh built his wealth through government leadership, media, consulting, technology, and entrepreneurial work. He served as HqO’s chief operating officer and later founded Reverate Media. Additionally, Koh held senior positions at Boston City Hall, the Labor Department, and the White House. His wife, Amy Sennett, also works as an attorney and technology executive. Campaign funds remain separate from Dan Koh’s personal net worth.

Biography Summary