Back to People
Alex Mashinsky

Alex Mashinsky

Born 1965 · Age 60

Israeli–American serial entrepreneur, inventor and cofounder/former CEO of Celsius Network; early VOIP pioneer and founder of multiple telecom and fintech ventures; convicted of securities and commodities fraud in relation to Celsius.

Total Events
56
Career Span
53 years
Peak Net Worth
$260,000,000

Compare Your Trajectory

See how your career milestones stack up against Alex Mashinsky and other industry leaders.

Life & Career Timeline

1972Age 7

Family emigrated from Soviet Union to Israel

Mashinsky's family obtained permission to leave the USSR in the 1970s and moved to Israel.

1/1/1972Source
Confidence
90%
1979Age 14

Early entrepreneurial activity at Ben Gurion Airport auctions

As a teenager he bought confiscated goods at airport auctions and resold them for profit.

1/1/1979Source
Confidence
80%
1984Age 19

Enlisted / served in Israeli Army (Golani Brigade)

Served in the Israeli Army from 1984 to 1987; trained as a pilot and served in Golani Brigade.

1/1/1984Source
Confidence
95%
1988Age 23

Trading business: commodity/chemicals contracts

Ran a business trading contracts for delivery of chemicals (e.g., urea, sodium cyanide). Business slowed after 1989 Tiananmen impacted Chinese exports.

1/1/1988Net Worth: $50,000Source
Confidence
60%
1988Age 23

Moved to the United States (New York City)

Immigrated to the U.S. and settled in New York City to pursue business opportunities.

1/1/1988Net Worth: $1,000Source
Confidence
95%
1990Age 25

Worked at A+ Systems (voicemail software)

Worked at A+ Systems, a PC-based voicemail software company for phone carriers — early telecom/voicemail experience.

1/1/1990Net Worth: $100,000Source
Confidence
80%
1992Age 27

Founded VoiceSmart (early VOIP company)

Founded VoiceSmart, one of the first companies to offer computer-based voice and early Voice over IP (VoIP) phone service.

1/1/1992Net Worth: $250,000Source
Confidence
85%
1993Age 28

Recognized VoIP as a potential commodity for telephone capacity

By 1993 Mashinsky realized the potential for a commodity market in international telephone capacity — a precursor to Arbinet.

1/1/1993Net Worth: $350,000Source
Confidence
80%
1996Age 31

Founded Arbinet (VoIP marketplace)

Founded Arbinet, a marketplace allowing telecom carriers to trade international minutes and bandwidth — an early internet exchange for voice.

1/1/1996Net Worth: $1,000,000Source
Confidence
90%
1997Age 32

Arbinet began offering data connectivity trading

In November 1997 Arbinet expanded to allow more than 400 T1 lines in its NY hub to exchange unused bandwidth (data connectivity).

11/1/1997Net Worth: $2,000,000Source
Confidence
85%
1999Age 34

Received Technology Foresight Award (Telecom 99)

Awarded the Technology Foresight Award for Innovation presented in Geneva at Telecom 99 (reported in profiles).

1/1/1999Net Worth: $3,000,000Source
Confidence
70%
2000Age 35

Received Albert Einstein Technology Medal

Reported recipient of the Albert Einstein Technology medal for innovation (circa 2000).

1/1/2000Net Worth: $4,000,000Source
Confidence
65%
2000Age 35

Founded Comgates (softswitch technology; spinoff)

Co-founded Comgates, producing softswitch software to connect VoIP networks (spin-off technology from Arbinet).

1/1/2000Net Worth: $4,500,000Source
Confidence
70%
2002Age 37

E&Y 'Entrepreneur of the Year' nomination (first)

Nominated by Ernst & Young as Entrepreneur of the Year (reported nomination years include 2002 and 2011).

1/1/2002Net Worth: $6,500,000Source
Confidence
70%
2004Age 39

Arbinet IPO (NASDAQ symbol ARBX)

Arbinet went public in 2004 — one of Mashinsky’s major exits; media reported a market capitalization in the hundreds of millions (~$750M cited in interviews).

1/1/2004Net Worth: $50,000,000Source
Confidence
60%
2004Age 39

Founded GroundLink (on-demand car/limousine booking)

Founded GroundLink as a service to book on-demand limousines and car services from computer or smartphone.

1/1/2004Net Worth: $52,000,000Source
Confidence
75%
2004Age 39

Elematics exit (network virtualization company)

Reported sale/exit of Elematics (a network virtualization startup Mashinsky founded earlier) circa 2004.

1/1/2004Net Worth: $55,000,000Source
Confidence
50%
2005Age 40

Sold stake in Arbinet; used proceeds to start GroundLink

Sold his stake in Arbinet in 2005 and reinvested part of the profits into GroundLink.

1/1/2005Net Worth: $60,000,000Source
Confidence
70%
2005Age 40

Raised capital for GroundLink (~$35M)

Raised funding for GroundLink; interviews indicate he raised about $35M for the company across rounds.

1/1/2005Net Worth: $62,000,000Source
Confidence
60%
2010Age 45

Transit Wireless project financial commitment (license payment reported)

Press reported Transit Wireless agreed to pay the MTA (reported figure in press articles at the time ~US$46M license payment) as part of the subway wireless concession.

1/1/2010Net Worth: $66,000,000Source
Confidence
60%
2010Age 45

GroundLink joint venture with LimoRes; free Wi‑Fi initiative

Organized a 2010 joint venture between GroundLink and several limo companies, along with LimoRes (a company he founded), to install free Wi‑Fi in vehicles funded by advertising.

1/1/2010Net Worth: $60,000,000Source
Confidence
85%
2010Age 45

Q-Wireless / Transit Wireless awarded NYC subway wireless contract

Q-Wireless (one of Mashinsky's companies, later part of Transit Wireless) received a contract to install wireless/cell/Wi‑Fi service at roughly 277 below-ground NYC subway stations (project awarded by ~2010).

1/1/2010Net Worth: $61,000,000Source
Confidence
85%
2010Age 45

Named Crain's Top Entrepreneur (2010 list)

Recognized by Crain's New York Business as a top entrepreneur in 2010.

1/1/2010Net Worth: $62,000,000Source
Confidence
80%
2010Age 45

Transit Wireless project usage milestone (millions daily)

Transit Wireless network later used by millions of subway riders daily; company reported millions of daily users benefiting from wireless connectivity in NYC subways.

1/1/2010Net Worth: $65,000,000Source
Confidence
70%
2010Age 45

GroundLink partnership with Gogo Inflight Internet

Partnered with Gogo to offer complimentary inflight Wi‑Fi passes to travelers who booked a GroundLink limousine while aboard a US flight.

8/10/2010Net Worth: $60,500,000Source
Confidence
90%
2011Age 46

E&Y 'Entrepreneur of the Year' nomination (second)

Reported second nomination by Ernst & Young as Entrepreneur of the Year (2011).

1/1/2011Net Worth: $65,000,000Source
Confidence
70%
2012Age 47

Advised at NJ Tech Meetup / entrepreneur talks

Participated in entrepreneur meetups and advised founders (Transit Wireless founder advising entrepreneurs referenced in 2012 coverage).

1/1/2012Net Worth: $70,000,000Source
Confidence
60%
2014Age 49

Named to Novatel Wireless board of directors

Appointed to Novatel Wireless board (provider of Wi‑Fi hotspot products).

4/1/2014Net Worth: $70,000,000Source
Confidence
95%
2014Age 49

Appointed CEO of Novatel Wireless (Inseego)

Appointed permanent CEO of Novatel in June 2014; led a turnaround that included significant recapitalization.

6/1/2014Net Worth: $75,000,000Source
Confidence
90%
2014Age 49

Recapitalized Novatel (raised ~$120M quickly)

Reportedly helped raise about $120 million in recapitalization to stabilize Novatel while CEO.

9/1/2014Net Worth: $80,000,000Source
Confidence
60%
2015Age 50

Left (terminated from) Novatel CEO role

Departed Novatel after ~1.5 years as CEO; later said termination related to refusal to relocate to San Diego.

10/29/2015Net Worth: $78,000,000Source
Confidence
90%
2016Age 51

Hired as Global CEO of RTX (London-based fintech)

Joined London-based financial-telecom fintech RTX as Global CEO in September 2016.

9/1/2016Net Worth: $76,000,000Source
Confidence
80%
2017Age 52

Celsius ICO raised (~$50M reported)

Celsius conducted an Initial Coin Offering and raised close to $50 million (reported figure).

1/1/2017Net Worth: $110,000,000Source
Confidence
70%
2017Age 52

Founded Celsius Network (cryptocurrency lending platform)

Founded Celsius Network to offer crypto borrowing/lending and high interest on digital asset deposits; company slogan 'Unbank Yourself'.

1/1/2017Net Worth: $90,000,000Source
Confidence
80%
2017Age 51

Left RTX after ~6 months

Left RTX about six months after joining following disputes with management (per later deposition).

3/1/2017Net Worth: $75,000,000Source
Confidence
70%
2018Age 53

Celsius launched service; began weekly 'Ask Mashinsky Anything' livestreams

Celsius launched services to the public and Mashinsky hosted weekly YouTube livestreams answering user questions and promoting Celsius.

1/1/2018Net Worth: $130,000,000Source
Confidence
80%
2018Age 53

High-profile public speaking & media presence (ongoing)

Frequent keynote speaker and media presence promoting Celsius and decentralization; listed on speaker rosters (e.g., Gotham Artists), appeared at conferences (e.g., Milken discussions referenced in press).

1/1/2018Net Worth: $140,000,000Source
Confidence
70%
2018Age 53

Celsius product milestone: offered high yields (up to ~18.6% in marketing)

Celsius marketed interest rates for crypto deposits reported as high as 18.6% on some assets and routinely offered competitive yields to attract depositors.

1/1/2018Net Worth: $135,000,000Source
Confidence
80%
2019Age 54

Patents / inventions accumulation milestone (ongoing)

Profiles note Mashinsky as the named inventor on dozens of patents (variously reported as 34–50+ patents) across VOIP, ad exchanges, smart grid and fintech concepts.

1/1/2019Net Worth: $140,000,000Source
Confidence
50%
2020Age 55

Celsius rapid growth during pandemic

Celsius experienced dramatic growth during the COVID‑19 pandemic, reportedly expanding assets under management from roughly $1B to multiple billions within a year.

1/1/2020Net Worth: $180,000,000Source
Confidence
60%
2021Age 56

Celsius reported >1M customers and ~US$20B AUM (company claim/media reports)

Media/CEO Magazine reported Celsius managing around US$20 billion in assets and over one million customers after pandemic-era growth.

1/1/2021Net Worth: $250,000,000Source
Confidence
50%
2021Age 56

Celsius announced >US$1B paid to community in yields

Company announced it had paid over US$1 billion in digital assets to its user community (reported November, year unspecified in profiles; commonly cited as 2021).

11/1/2021Net Worth: $260,000,000Source
Confidence
60%
2022Age 57

Personal: wife Krissy Mashinsky runs usastrong.IO; 'Unbankrupt Yourself' controversy

Mashinsky lives in NYC with wife Krissy (Kristine Meehan) and six children. After Celsius bankruptcy, Krissy ran retailer selling 'Unbankrupt Yourself' shirts drawing controversy.

1/1/2022Net Worth: $12,000,000Source
Confidence
95%
2022Age 57

Publicity stunts & high profile behavior during Celsius era

Known for weekly livestreams, wearing 'Banks are not your friends' T-shirts, publicity stunts (including attempting to vandalize a Chase Bank branch) while CEO.

1/1/2022Net Worth: $115,000,000Source
Confidence
90%
2022Age 56

Mashinsky withdrew US$10 million from Celsius (reported)

In May 2022 Mashinsky withdrew $10M from Celsius; company was experiencing large customer withdrawals by then.

5/1/2022Net Worth: $240,000,000Source
Confidence
85%
2022Age 56

Celsius paused customer withdrawals

Celsius paused customer withdrawals amid liquidity crisis (pause occurred about one month before Chapter 11 filing in July 2022).

6/1/2022Net Worth: $200,000,000Source
Confidence
90%
2022Age 56

Celsius filed for Chapter 11 bankruptcy

Celsius Network filed for Chapter 11 bankruptcy protection on July 13, 2022 after freezing withdrawals and reporting insolvency pressures.

7/13/2022Net Worth: $150,000,000Source
Confidence
90%
2022Age 56

Arkham Intelligence reported Mashinsky sold CEL tokens (~US$44M estimate)

Investigative reporting/analytics (Arkham Intelligence) estimated Mashinsky sold approximately $44M worth of CEL tokens through exchanges (timeframe tied to 2022 disclosures/reports).

8/1/2022Net Worth: $140,000,000Source
Confidence
60%
2022Age 57

Resigned as Celsius CEO

Mashinsky resigned as Celsius CEO on September 27, 2022; Chris Ferraro was appointed interim CEO during bankruptcy proceedings.

9/27/2022Net Worth: $120,000,000Source
Confidence
95%
2023Age 57

New York Attorney General civil lawsuit filed

New York AG Letitia James filed a civil complaint on Jan 5, 2023 accusing Mashinsky of securities fraud under the Martin Act and seeking fines, damages and a bar from securities-related roles.

1/5/2023Net Worth: $90,000,000Source
Confidence
95%
2023Age 57

Court-appointed examiner's report filed (Shoba Pillay)

Examiner Shoba Pillay filed a 470-page report (plus ~200 pages appendices) critical of Celsius operations and Mashinsky's conduct, alleging 'blatant fraud' and internal contradictions with public claims.

1/31/2023Net Worth: $80,000,000Source
Confidence
95%
2023Age 57

Celsius agreed to US$4.7 billion settlement with FTC (company-level)

The same day the SEC/DOJ actions occurred, Celsius Network agreed to a reported US$4.7 billion settlement with the Federal Trade Commission.

7/13/2023Net Worth: $30,000,000Source
Confidence
90%
2023Age 57

SEC charged Mashinsky and Celsius; DOJ indictment and arrest

On July 13, 2023 the SEC charged Mashinsky and Celsius with violating federal securities laws; the U.S. DOJ/SDNY also indicted and federal authorities arrested Mashinsky for alleged fraud and market manipulation.

7/13/2023Net Worth: $40,000,000Source
Confidence
95%
2024Age 59

Pleading guilty to commodities and securities fraud; agreed forfeiture

On December 3, 2024 Mashinsky pleaded guilty to one count of commodities fraud and one count of securities fraud and agreed to forfeit US$48 million.

12/3/2024Net Worth: $15,000,000Source
Confidence
95%
2025Age 59

Sentencing hearing delayed (request by defense)

Sentencing originally set for April 8, 2025 was delayed at defense request to allow additional sentencing materials (reported April 2025).

4/1/2025Net Worth: $12,000,000Source
Confidence
85%
2025Age 59

Sentenced to 12 years in federal prison

On May 8, 2025 Mashinsky was sentenced to 12 years imprisonment after pleading guilty to securities and commodities fraud.

5/8/2025Net Worth: $10,000,000Source
Confidence
98%

Similar Trajectories

Jason Calacanis

Born 1970 · Age 55

American Internet entrepreneur, angel investor, podcaster and author. Co‑founder of Weblogs, Inc., founder of Silicon Alley Reporter and Mahalo, host of This Week in Startups, founder of LAUNCH/Launch Festival and active angel investor (notably an early Uber investor).

View Timeline →

Xeni Jardin

Born 1970 · Age 55

American weblogger, digital media commentator and tech-culture journalist; longtime co-editor and partner of Boing Boing, NPR tech correspondent, cofounder of the Freedom of the Press Foundation, breast cancer advocate.

View Timeline →

Michael Arrington

Born 1970 · Age 55

American entrepreneur, founder and former co-editor of TechCrunch; later founder/partner at CrunchFund and Arrington XRP Capital; influential tech blogger and crypto investor.

View Timeline →

Jeff Atwood

Born 1970 · Age 55

American software developer, author, blogger and entrepreneur. Co‑founder of Stack Overflow / Stack Exchange and Discourse; author of the Coding Horror blog.

View Timeline →

John Carmack

Born 1970 · Age 55

American computer programmer, co‑founder of id Software, lead programmer of Commander Keen/Wolfenstein/Doom/Quake, founder of Armadillo Aerospace, former Oculus CTO, now working on AGI with Keen Technologies.

View Timeline →

Aileen Lee

Born 1970 · Age 55

U.S. venture capitalist, angel investor, co-founder and managing partner of Cowboy Ventures; coined the term “unicorn” (privately held $1B+ startups); co-founder of All Raise; former Kleiner Perkins partner.

View Timeline →