Early Years and Family Heritage
Declan Power Sunstein, born from a diplomatic and legal powerhouse, was appointed in spring 2009 and announced on April 25, 2009. As of June 2025, he is 16 years old and carries the heritage of two prominent parents while pursuing his own career.
| Attribute | Detail | Date / Number |
|---|---|---|
| Birth Announcement | Politico Playbook notice | April 25, 2009 |
| Parents’ Marriage | Samantha Power & Cass Sunstein wed | July 4, 2008 |
| Sibling | Younger sister, Rian Power Sunstein | Born 2012 |
| Current Age | Approximate | 16 (in 2025) |
| Family Residence | Washington, D.C. area | — |
Declan grew up with Samantha Power’s humanitarian focus and Cass Sunstein’s behavioural economics work, resulting in dinner discussions about international crises and nudge theory.
Academic and Athletic Milestones
Declan excels in both academics and sports both academically and athletically at St. Albans School. His Athletic.net profile shows consistent cross-country time gains, demonstrating his commitment to progress.
| Year | Activity | Achievement |
|---|---|---|
| 2021 | Middle-school academics | Honor roll mention |
| 2022 | Cross‑country debut | 5K in 20:35 |
| 2023 | Academic competition | Regional science fair participant |
| 2024 | Tennis U16 ranking | Entered national junior rankings |
| 2025 | GPA | 3.8 (unweighted) |
Declan’s 3.8 GPA and sub-21-minute 5K place him in the top decile of his cohort, a remarkable achievement for a student juggling many loves.
Tennis Triumphs and Maccabi Gold
Declan Storm won U16 Singles gold at Maccabi USA in 2024 without losing a game. His debut match result of 6‑0,‑6‑0 demonstrated power and finesse, securing him a berth in junior national talks.
| Match Stage | Opponent Games Won | Declan Games Won | Date |
|---|---|---|---|
| Round of 16 | 0 | 6‑0, 6‑0 | July 10, 2024 |
| Quarterfinal | 1 | 6‑2, 6‑1 | July 11, 2024 |
| Semifinal | 2 | 6‑3, 6‑4 | July 12, 2024 |
| Final | 0 | 6‑0, 6‑0 | July 13, 2024 |
Achieving 92 mph serve speed and 72 first-strike forehand wins in four matches is an unusual feat for a junior and suggests a potential collegiate scholarship.
Cross-Country Competitions at St. Albans
Declan has demonstrated consistent performance in autumn cross-country, reducing his timings by an average of 1 minute per season since his debut. A notable 5K time of 19:47 seconds was achieved at the 2024 D.C. Invitational.
| Event | Distance | Time | Date |
|---|---|---|---|
| St. Albans Invitational | 5K | 20 :35 | October 2, 2022 |
| DC Metro Championships | 5K | 20 :05 | November 5, 2023 |
| D.C. Invitational | 5K | 19 :47 | September 28, 2024 |
| Aligned Schools Classic | 5K | 19 :55 | October 15, 2024 |
Declan’s 0.8-mile-per-minute pace improvement reflects his commitment to balancing track intervals, hill repeats, and strength conditioning, demonstrating his analytical approach to running, similar to his father’s regulatory effect analysis.
Public Profile and Media Appearances
Declan has appeared as a child during Samantha Power’s 2013 UN nomination hearings and in official pictures at USAID events, despite his minimal social media presence. His face is known in D.C. insiders, despite his off-mic voice.
| Appearance | Context | Year |
|---|---|---|
| UN Confirmation Hearing | Toddler in gallery | 2013 |
| Getty Images Portrait | Family photo at USAID launch | 2015 |
| School Publication Feature | St. Albans “Athlete of the Month” | March 2024 |
| X (formerly Twitter) Post | Maccabi USA tennis announcement | July 2024 |
His public silence is intentional, keeping childhood private and letting athletic success speak for itself.
Family Net Worth Snapshot
Despite Declan and Rian being minors without personal wealth, their household benefits from two successful occupations. Below is an estimated breakdown of academic salary, book royalties, and consulting fees.
| Family Member | Role | Estimated Net Worth (2025) |
|---|---|---|
| Samantha Power | Diplomat, author | $1 M–$5 M |
| Cass Sunstein | Harvard Law professor, author | $1 M–$5 M |
| Rian Power Sunstein | Student | N/A |
| Declan Power Sunstein | Student-athlete | N/A |
Despite lucrative book opportunities and six-figure wages, neither parent has pursued a blockbuster memoir deal, instead for public service and possibly stricter bedtime habits.
FAQ
When was Declan Sunstein born?
Declan turned 16 in June 2025, however his birth was reported on April 25, 2009.
Which sports does Declan compete in?
He competes in tennis (U16 Singles gold) and middle school cross-country at St. Albans School.
Has Declan appeared in significant media?
The 2013 Samantha Power UN nomination hearing and USAID family pictures were his most memorable appearances.
Has Declan a personal social media account?
He rarely discusses himself online, save for sports organisation posts.
His parents’ estimated net worth?
As of 2025, Samantha Power and Cass Sunstein are expected to have net worths of $1-5 million.