Monday

“Legal Issues in Real Estate Foreclosure,” 9 a.m. to 4:30 p.m., seminar given by the National Business Institute with Norman Rattey, an attorney with the Auburn law firm of Skelton, Taintor & Abbott. Fireside Inn & Suites, 81 Riverside St., Portland. The program is designed for legal professionals and the cost is $349 per person. For more information, visit www.nbi-sems.com.

Tuesday

Maine Lobster Marketing Collaborative, 1 to 4 p.m., board of directors meeting at the Rockland Ferry Terminal, 517 Main St., Rockland. For details, go to www.lobsterfrommaine.com/meet-the-mlc-board.aspx or call 541-9310.

Tuesday and Wednesday

SCORE workshops: “Starting Your Own Business: Our Experts Can Help,” 2 to 5 p.m. Tuesday and “Managing by the Numbers: Optimize Cash Flow,” 6 to 9 p.m. Wednesday. The cost for each is $35 with online registration and they are held at SCORE Offices, 100 Middle St., Portland. For details or to register, visit www.scoremaine.com or call 772-1147 weekday mornings.

Wednesday

Eggs and Issues, 7 to 9 a.m., at Holiday Inn by the Bay, Portland, with Lisa DeSisto, CEO and publisher of MaineToday Media Inc. Early registration is encouraged. For registration and details, visit Portland Community Chamber at www.portlandregion.com or call 772-2811.

“Pioneers of Maine’s Next Economy,” 7:30 to 9 a.m., part of a series on Maine business leaders, with Susan Corbett, owner and CEO of Axiom Technologies in Machias. Clarion Hotel, 1230 Congress St., Portland. Register at EnvisionMaine.org.

“Laws Governing Workplace Rights,” 9 a.m. to 2 p.m., a class for employers offered by the Maine Department of Labor at Town Office, 40 School St., Lubec. Additional courses will be held May 20 at University of Maine Farmington, June 13 at the Rockland CareerCenter, and June 19 at the Scarborough Municipal Building. Courses are free but registration is required. For details or to register, call 623-7900 or visit http://www.maine.gov/tools/whatsnew/index.php?topic=Safetyworks_Classes&v=ListAll.

“Solid Financials: Cash Flow Forecasting,” 4 to 6 p.m., held at the Maine Small Business Development Center, 501 Forest Ave., Portland. Cost is $20. To register, call 780-4949.

Business Resources Night, 6 to 8:30 p.m., with displays, presentations and resources for businesses. Held at Warsaw Middle School gymnasium, 167 School St., Pittsfield. Open to the public. Refreshments and networking opportunities will be available.

Wednesday through Friday

Northeast Biomass Heating Expo and Conference, sixth annual event with several speakers, including Sen. Angus King, I-ME. Held at the Cumberland County Civic Center, Portland. A Green Heating Fair will be open to the public. For details, visit http://www.nebiomassheat.com.

Thursday

“We Talk About Customer Service; What We Really Want Is Customer Satisfaction!” 7:15 to 9 a.m., Business Breakfast program with Marcel Gagne of Goodwill of Northern New England. Held at Thomas College, Spann Student Commons, 180 W. River Road, Waterville. The cost is $15 for Mid-Maine Chamber of Commerce members who register before the event and is $17 at the door. General admission is $20. Breakfast is included. To register, go to www.midmainechamber.com or call 873-3315.

“Texas Hold’em Tactics for the Project Manager,” 5:30 to 7:30 p.m., presented by the Maine Chapter of the Project Management Institute, with James T. Brown, Ph.D., president of SEBA Solutions Inc. Held at University of Southern Maine, Glickman Library, room 423, Portland campus. For details, go to http://www.pmimaine.org. Nonmembers are welcome.

“Sea State – Portland: A History of Trade in an Ever-changing Port,” 7 p.m., with maritime historian Jim Millinger. Third in the free monthly series covering the Portland waterfront and held at Gulf of Maine Research Institute, 350 Commercial St., Portland. Doors open at 6:30 p.m. Seating is limited and reservations are requested. Visit www.gmri.org/seastate or call Christina at 228-1622.

Friday

“Summit on Citizen Diplomacy Through Global Education,” 7:30 a.m. to 4 p.m., presented by the World Affairs Council of Maine and held at University of Southern Maine, Abromson Center, Portland. The cost is $60 for members and $75 for nonmembers. Registration is required by Monday at www.wacmaine.org or call 780-4337.

Saturday

World Proof Summit: Live Your Passion and Find Your Purpose, 8 a.m. with program starting at 9 a.m., at the University of Southern Maine’s Abromson Center, Portland. For details, visit www.WorldProofSummit.com.

“10-Minute Architect,” 2 to 4 p.m., free public-design clinic offered by Portland Society for Architecture at Marvin Design Gallery, 317 Marginal Way, Portland.