Segment 1 starts at 0:00 with Julia Austin.

When I was an angel investor, people always used to say to me that "I have a great idea for a business, what do you think?" I would reply- "I have no idea" Successful businesses are not about ideas- they are about the execution of that idea.

Julia Austin is a seasoned operator who has served in leadership roles at several technology startups. She is on the faculty at Harvard Business School and is faculty cochair of the Arthur Rock Center for Entrepreneurship. As a certified executive coach, Austin works exclusively with startup founders. She is an angel investor, serves on startup boards, and advises many founders through her work with several accelerators. Her new book is "After the IDEA: What It Really Takes to Create and Scale a Startup".

Segment 2 starts at 18:19 with Chris Berdik.

I have always been very sensitive to loud noise in my work and personal environment- what effect does noise have on a person’s ability to be productive or just relax?

Chris Berdik is a journalist who writes about science, health, technology, and education, including two books, - the latest is "Clamor: How Noise Took Over the World--And How We Can Take It Back". Previously, he was a staff editor at the Atlantic Monthly, a research editor at the investigative-journalism magazine, Mother Jones, and a senior writer covering science and medicine for Boston University's daily news website and alumni magazine, Bostonia

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