Sheldon G. Adelson

Age 84


Newton, MA
#1 Net worth: $35.4B
Born poor in Boston, Adelson is a casino mogul and right wing political backer. Adelson maintains a $5M residence in Newton.

Hospitality & Travel
Abigail P. Johnson

Age 56


Milton, MA
#2 Net worth: $16.0B
Abigail assumed the CEO role at Fidelity Investments, and presides over the firm her father once led. She enjoys summers from her $17M Nantucket home.

Financial Services
Edward C. Johnson III

Age 87


Nahant, MA
#3 Net worth: $8.0B
Chair of money management goliath, Fidelity Investments, the firm founded by his father. Johnson has amassed an art collection worth $250M.

Financial Services
John P. Grayken

Age 61


Cohasset, MA
#4 Net worth: $6.5B
Financier is a former South Shore hockey star. Founder of the private equity firm Lone Star, which manages $65B. Grayken summers on a private island in Cohasset.

Venture Capital & Private Equity
Robert K. Kraft

Age 76


Brookline, MA
#5 Net worth: $6.2B
Patriots owner is the CEO of The Kraft Group, a diversified holding company with assets in paper and packaging, sports, real estate, and private equity.

Sports & Entertainment
James S. Davis

Age 74


Newton, MA
#6 Net worth: $4.9B
Chairman of running shoe-maker New Balance, which sports more than $3B in sales. The son of Greek immigrants, Davis bought New Balance in 1972 for $10,000.

Footwear & Apparel
Amos B. Hostetter

Age 80


Boston, MA
#7 Net worth: $3.2B
Founder and CEO of Continental Cablevision, he currently operates Pilot House Associates, a family office. Lives in a 14,000 sq. ft. home on Beacon Hill.

Media & Digital Media
William I. Koch

Age 77


Osterville, MA
#8 Net worth: $3.0B
Businessman, sailor, and collector, Koch is a brother to right wingers Charles & David. Owns homes in Cape Cod and Palm Beach worth a combined $50M.

Manufacturing & Industrial
Edward C. Johnson IV

Age 52


Boston, MA
#9 Net worth: $2.5B
Ned's son is President of Pembroke Real Estate, which manages more than 6 million sq. ft. Wife Allison serves on Institute of Contemporary Art board.

Real Estate & Construction
Elizabeth L. Johnson

Age 54


Osterville, MA
#10 Net worth: $2.5B
Ned's other daughter, Fidelity heiress Elizabeth owns a 250-acre equestrian property in Wellington, FL. Owns homes in Boston and Cape Cod.

Inheritance
John W. Henry II

Age 68


Brookline, MA
#11 Net worth: $2.5B
Former commodities trader, now principal owner of the Boston Red Sox and the The Boston Globe. Built a 35,000+ square foot Brookline home.

Sports & Entertainment
Valentin P. Gapontsev

Age 78


Worcester, MA
#12 Net worth: $2.1B
Russian native founded IPG in 1990, which controls 80 percent of the world's fiber laser market. Physics Ph.D. owns homes in Worcester, Boston, and Mashpee.

Electronics
Phillip T. Ragon

Age 67


Boston, MA
#13 Net worth: $1.9B
Son of a U.S. Air Force fighter pilot, founded InterSystems in 1978 and built it into a nearly $530M company. Pledged $100 million for AIDS research.

Software & Internet
Alan Trefler

Age 61


Brookline, MA
#14 Net worth: $1.75B
Chess whiz founded Pegasystems, a developer of business software applications, in 1983. Trefler owns 50% of the shares of the $800M company.

Information Technology
Herbert G. Chambers

Age 76


Boston, MA
#15 Net worth: $1.7B
Auto magnate operates 55 car dealerships throughout New England. Personally owns 15 cars, Gulfstream Jet, 197-foot yacht, and helicopter.

Transportation & Distribution
Joyce G. Linde

Age 74


Weston, MA
#16 Net worth: $1.5B
Widow of Edward H. Linde, who founded real estate investment trust giant, Boston Properties. Main donor behind the MFA's wing for Contemporary Art.

Real Estate & Construction
John Abele

Age 80


Cambridge, MA
#17 Net worth: $1.5B
Co-founded Boston Scientific in 1979 with Peter Nicholas. Abele owns a 1,000-acre farm in Shelburne, Vt. with a 9,878-panel solar installation.

Medical Device
William L. Alfond

Age 69


Boston, MA
#18 Net worth: $1.5B
Senior executive at family founded Dexter Shoe Company, which Warren Buffet purchased in 1993. Minority owner in the Boston Red Sox.

Footwear & Apparel
Theodore B. Alfond

Age 71


Weston, MA
#19 Net worth: $1.5B
Brother of William Alfond, also executive at Dexter Shoe Company, which was purhcased by Berkshire Hathaway. Limited partner in the Boston Red Sox.

Footwear & Apparel
Gerald Chan

Age 66


Newton, MA
#20 Net worth: $1.5B
Chan runs one of China's commercial real estate giants, Hang Lung Group, now buying up big chunks of Harvard Sq. Drives a used Volkswagen Passat.

Real Estate & Construction
Seth A. Klarman

Age 60


Boston, MA
#21 Net worth: $1.5B
Publicity-shy money manager founded the Baupost Group, a Boston-based hedge fund with $28.5B. Avid horse racer and minority owner of the Red Sox.

Financial Services
Niraj J. Shah

Age 43


Boston, MA
#22 Net worth: $1.25B
Niraj Shah is Co-Chairman, CEO of publicly-traded, Wayfair, an online home furnishings retailer. Co-founded Wayfair with Steve Conine in 2002. Enjoys Back Bay and Cape Cod homes.

Software & Internet
Stephen K. Conine

Age 43


Boston, MA
#23 Net worth: $1.25B
Stephen Conine is Co-Chairman of publicly-traded, Wayfair, an online home furnishings retailer. Co-founded Wayfair with Niraj Shah in 2002. Enjoys South End and Jackson Hole homes.

Software & Internet
Stephen R. Karp

Age 76


Weston, MA
#24 Net worth: $1.2B
Real estate developer built Liberty Tree Mall, one of the first malls in the Northeast. Owns the CambridgeSide Galleria and Wauwinet hotel on Nantucket.

Real Estate & Construction
Roger M. Marino

Age 79


Boston, MA
#25 Net worth: $1.2B
Co-founder of EMC Corporation. Raised in Revere, MA, Marino co-founded an independent film company. Former owner of NHL's Pittsburgh Penguins.

Storage & Hardware
John P. Manning

Age 68


Boston, MA
#26 Net worth: $1.2B
Co-founded apartment builder, Boston Capital, in 1974. Built nearly 2,000 properties with development costs in excess of $16.1 billion.

Real Estate & Construction
John W. Childs

Age 75


Brookline, MA
#27 Net worth: $1.2B
CEO and founder of J.W. Childs Associates. Private equity firm, with more than $3B in assets, specializes in leveraged buyouts. Major Republican donor.

Venture Capital & Private Equity
Teresa Heinz

Age 79


Boston, MA
#28 Net worth: $1.2B
Mozambican-born philanthropist, and the wife of Secretary of State, John Kerry. Inherited fortune when first husband died in airplane crash.

Inheritance
Shari E. Redstone

Age 63


Westwood, MA
#29 Net worth: $1.2B
Media executive who owns 20% of National Amusements. She is the daughter of aging Media tycoon and Viacom executive, Sumner M. Redstone.

Media & Digital Media
Ernie A. Boch, Jr.

Age 59


Norwood, MA
#30 Net worth: $1.1B
CEO and spokesman of $1B automobile dealership empire. Built a 16,000 sq. ft. brick mansion. Owns 70 guitars, and travels in a nine-passenger Cessna jet.

Transportation & Distribution
Peter M. Nicholas

Age 76


Boston, MA
#31 Net worth: $1.1B
Co-founded medical device firm Boston Scientific in 1979 with partner John Abele. He is married to a great-great-granddaughter of Eli Lilly.

Medical Device
James J. Pallotta

Age 59


Weston, MA
#32 Net worth: $1B
Hedge fund manager, runs the Raptor Group. Ownership stakes in Boston Celtics and A/S Roma soccer club. Built a 27,000 sq. ft. mansion in Weston.

Financial Services
David C. Abrams

Age 56


Truro, MA
#33 Net worth: $1B
Secretive founder of Abrams Capital Management, with $8B in assets. Minority owner of NFL's Oakland Raiders. Bought a $20M condo in New York.

Financial Services
Paul B. Fireman

Age 73


Chestnut Hill, MA
#34 Net worth: $1B
Former CEO of Reebok, which he sold to Adidas-Salomon for $3.8B. Owns homes in Chestnut Hill, the Cape, and Palm Beach worth more than $50M.

Footwear & Apparel
George D. Behrakis

Age 83


Tewksbury, MA
#35 Net worth: $930M
Greek-American philanthropist who founded and sold two life sciences companies. Major donor to the Museum of Fine Arts and his alma mater, Northeastern.

Life Sciences & Healthcare
William S. Cummings

Age 80


Winchester, MA
#36 Net worth: $900M
Real estate magnate has developed more than 10 million sq. ft. of commercial property. Somerville native plans to give away 90% of his wealth.

Real Estate & Construction
Kenan E. Sahin

Age 76


Boston, MA
#37 Net worth: $900M
Turkish scientist and entrepreneur who sold billing technology firm, Kenan Systems, in a stock deal worth $1.5B. Donated $100M to his alma mater, MIT.

Manufacturing & Industrial
C. James Koch

Age 68


Newton, MA
#38 Net worth: $840M
Son of a Cincinnati brewmaster, Koch founded Boston Beer in 1984 with $250K. Distributes Sam Adams beers along with Twisted Tea and Angry Orchard Cider.

Grocery & Beverage
Joseph J. O'Donnell

Age 73


Belmont, MA
#39 Net worth: $800M
The son of a police officer, O'Donnell founded and sold a concessions concern. Owns John Harvard's Brew House. Co-developed Westin Hotel in South Boston.

Retail & Restaurant
Jonathan S. Jacobson

Age 56


Wayland, MA
#40 Net worth: $750M
CEO of Highfields Capital Management, a $12B investment management firm. Reportedly Jacobson earned $500M in a single year.

Financial Services
John F. Welch Jr.

Age 82


Nantucket, MA
#41 Net worth: $720M
Salem, MA native Jack Welch is the legendary retired CEO of General Electric. Writes business books with 3rd wife, Suzy Wetlaufer.

Manufacturing & Industrial
Stephen R. Weiner

Age 75


Boston, MA
#42 Net worth: $700M
Shopping-center developer and philanthropist. Built Legacy Place in Dedham and MarketStreet in Lynnfield. Pledged millions to local hospitals.

Real Estate & Construction
George P. Sakellaris

Age 71


Boston, MA
#43 Net worth: $700M
Greek native is the President and CEO, of Ameresco, a leading energy efficiency and renewable energy company. An avid sailor, he won a 600-mile regatta.

Energy & Clean Tech
Margot C. Connell

Age 75


Swampscott, MA
#44 Net worth: $700M
Widow of William Connell, a businessman and philanthropist who built a recycling concern. Donated $10M to Harvard Business School.

Manufacturing & Industrial
Arthur T. DeMoulas

Age 62


Lowell, MA
#45 Net worth: $675M
CEO of Market Basket supermarket chain. Beloved by employees, he gained control of the grocery after a protracted and dramatic legal battle. Enjoys modest Lowell home.

Grocery & Beverage
John A. Kaneb

Age 83


Manchester, MA
#46 Net worth: $600M
CEO of HP Hood, which controls 15% of the New England milk market. A minority owner of the Boston Red Sox, Kaneb lives in a $10M North Shore estate.

Grocery & Beverage
David G. Mugar

Age 78


Belmont, MA
#47 Net worth: $600M
Businessman and philanthropist whose father built Star Market chain. Once owned TV broadcaster Channel 7. Former producer of Boston's Fourth of July celebration.

Real Estate & Construction
Vincent J. Ryan

Age 81


Boston, MA
#48 Net worth: $600M
Major shareholder of storage firm, Iron Mountain, which has over $3B in sales. Owns $11M home on Beacon Hill, as well as an estate on Block Island.

Venture Capital & Private Equity
Martin Trust

Age 83


Boston, MA
#49 Net worth: $600M
Built $1.5B apparel firm and sold it to The Limited. Owns condo at the Mandarin Oriental. Sold Palm Beach home to Howard Stern for more than $50M.

Footwear & Apparel
Thomas C. Werner

Age 67


Boston, MA
#50 Net worth: $600M
Television executive who co-produced The Cosby Show, Roseanne, and 3rd Rock from the Sun. He is a minority owner of the Boston Red Sox.

Sports & Entertainment