Stories

July 18, 2025

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For Nan Lin, entrepreneurship isn’t just business; it’s freedom. A freedom earned through sacrifice, relentless execution, and a refusal to accept the limits of a broken system. As the founder of Kaizen Capital and 4DIFY, Lin is reimagining the housing industry, tackling its inefficiencies with cutting-edge technology and a bold vision. His mission? To build stronger homes faster, at lower costs, empowering communities and challenging the status quo.

From Immigrant Roots to Visionary Leadership 

Lin’s journey began at age 10, when he immigrated to America with his mother. While adapting to a new country, he was inspired by his loving parents’ sacrifices, which shaped his relentless drive. “I saw the lengths they went to give me a better life,” Lin says. “Their love and dedication became my compass.” Years later, that resolve led to the creation of Kaizen Capital, where he transforms underutilized properties into vibrant housing solutions: ADUs, subdivisions, condo conversions, and luxury short-term rentals. By unlocking hidden value in land, he delivers market-rate and affordable housing that strengthens neighborhoods.

But Lin saw a deeper problem: traditional construction is slow, costly, and vulnerable to fire, pests, and natural disasters. Frustrated by an industry stuck in the past, he founded 4DIFY to lead a new era of construction through 3D-printed concrete homes.

Nan Lin | Founder and Principal of Kaizen Capital and 4DIFY

3D Printing: The Future of Housing, Today

Lin’s vision for 4DIFY was sparked by a frustrating reality: “Wildfires destroy neighborhoods every year, yet we keep building stick-frame homes that burn like kindling,” he says.

After visiting several 3D printer manufacturers, Lin partnered with New York–based SQ4D. It took nearly a year to secure exclusive licensing rights, navigate regulatory hurdles, and obtain building permits, but he got it done.

Now, 4DIFY is building California’s first community of 3D-printed concrete homes. As this article goes live, their first printed home is nearing completion, despite heavy regulations and a steep learning curve. The team is already outperforming traditional timelines and cost benchmarks. The second and third homes will soon print simultaneously, targeting completion in two months, effectively one home per month at under $200 per square foot.

Despite challenges as an Asian immigrant, Lin managed to transform them into motivation and success. 

“We’re aiming to build at half the cost and in a quarter of the time,” Lin says. “That’s not a dream. It’s the direction we’re heading.”

Built with concrete, reinforced with rebar, and topped with metal roofs, these homes are resilient against fire, wind, earthquakes, mold, and pests. They’re also designed for long-term savings, with lower maintenance, less waste, and reduced energy and insurance costs.

“Critics doubted it would work,” Lin reflects. “But seeing is believing. This is the future.”

A Philosophy of Purpose and Resilience

Lin’s journey has been marked by relentless challenges, some seemingly insurmountable. “Obstacles never stop,” he admits. Yet he transforms adversity into opportunity, fueled by a positive mindset, solution-driven focus, and disciplined execution. His trusted team is his backbone. “No one succeeds alone,” he says. “My team turns the impossible into reality.” This resilience shapes his leadership, blending bold vision with purposeful action to create opportunities, particularly for communities long excluded from wealth-building. “Housing isn’t just a product,” Lin says. “It’s a platform for empowerment.”

Recognition and Inspiration

Lin’s impact is gaining notice. The Sacramento Bee named him one of the Top 20 AAPI Change Makers, and he was honored in the Business Elite Awards’ 40 Under 40. But for Lin, the real reward is inspiring others. “I want to show the next generation of Asian entrepreneurs what’s possible when we claim our seat at the table,” he says.

Lin wants to create opportunities for those marginalized by elevating the future of construction, making it more accessible for his community.

Join the Housing Revolution

Nan Lin isn’t just building homes, he’s redefining what’s possible. Through Kaizen Capital and 4DIFY, he’s creating a future where housing is affordable, resilient, and sustainable. Follow his journey and see the revolution unfold.

Connect with Nan Lin:

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Star Trek’s Takei voices Koh, an ancient predatory spirit. Cho, Ambudkar, and Pudi all portray Earth Kingdom characters, with Cho as June, a vicious bounty hunter; Ambudkar as King Bumi, the elderly and mercurial king of Omashu; and Pudi as the mechanist, an eccentric inventor and engineer raising his kid in a war-torn country.

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Constance Wu On Surviving Twitter, Producer’s Sexual Assault On Her New Memoir

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The actress addressed the infamous tweet in spring 2019 when ABC renewed another season of the sitcom. “I was punished for being ungrateful,” she said. Wu publicly apologized, but she received backlash. 

She then sought psychiatric help and quit social media for three years. Wu had started writing a book back in 2016 but had lost momentum.

In the fall of 2019, she went back to work at “Fresh Off the Boat”, the final season, where she apologized to her colleagues in person.

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“I try not to make myself out to be a hero,” Ms. Wu told NYT. “I try to make myself out to be a pretty normal person who has flaws like everybody else. I’m not really into the actor memoir where it’s like, ‘I overcame the odds, and I’m this person who was humble and just kept working. I was the victim.’ It’s less black and white than simply victim and perpetrator.”

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Twrl Milk Tea Co-Founder & CMO Olivia Chen Shares Essential Lessons On Setting Foot In Famed Retailer Costco

Two mom-friends and milk tea lovers Olivia Chen and Pauline Ang have capitalized on the early success of their milk tea company by sending samples to the head office in Costco which lead to launching their product with the retail giant in just three and a half months.

“We are still pinching ourselves that our Twrl’s Taiwan-Style Black Milk Tea is now in Southern California Costco!” Olivia says, “We’re starting with 3 locations: Irvine, Monterey Park, and Tustin (2700 Park Avenue).” 

Pauline (left) and Olivia (right)

They overcame it without calling in a broker to help them. It wasn’t easy at all, however, this exemplifies the importance of hard work and perseverance of the duo to learn every step of the way for their small business to set foot in one of the world’s largest retail stores.

Olivia enthusiastically shares with Asian Hustle Network the timeline of how their plant-based Twrl Milk Tea made it into Costco to help entrepreneurs navigate the highly competitive food and beverage space. 

Roadshow Or Small Rotation

We met our buyer at Expo West (Think Super Bowl for the Food & Beverage industry where retailers and manufacturers meet up. Super worth doing if you are in CPG. We even landed our 1st TV interview).

After Expo West, we sent more samples to the office and began negotiations for placement. We were offered two ways of being at Costco:

Roadshow

  • 4 days of selling on consignment. We could control costs by using our own people and decide the volume of product we wanted to bring in.
  • Typically, this is how small brands enter Costco. If it does well, you are offered a rotation. If you don’t do well, then it’s really hard to get into the regular set.

Small Rotation

  • We started with a number of stores and the item is part of the regular set.
  • This is harder to secure because Costco is paying for the inventory and the buyer has to believe in your product.

In both situations, it is critical that Twrl Milk Tea sells well and ideally sells out. Why is this important?

It proves to the Costco Buyer that there is a market for our better-for-you plant-based milk teas. More importantly, companies owned by Asian American small business owners like ours are proven to be great partners worth investing time in and onboarding.

Reasons For Opting for Small Rotation

After a few weeks of due diligence on our end, we decided to go with a small rotation. Our reasons were simple:

  • Our manufacturer could produce the volumes needed and in the time we needed. Not always the case in this crazy supply chain. We are made in the USA so it makes a huge difference in our speed for delivery.
  • We could handle the financial obligations to fund the inventory. It’s a lot of money upfront so it’s not a light decision for a smaller company like ours. And, there is still a chance you can be sitting on inventory if it does not sell through.
  • We are committed to Costco and wanted to be part of the regular set and did not want to take the chance that with Roadshow which is only 4 days could be a bust due to so many variables that we may not be able to control.
  • We love Costco ourselves and shop there regularly so we saw our consumers there! Did you know the typical Costco shopper is 35-44 years old, an Asian female making $125,000 and the average trip is $114?!

Roadshow which is only 4 days could be a bust due to so many variables that we may not be able to control.

-Olivia Chen

Decisions, Decisions, Decisions

What flavor to sell?

Out of our 3 flavors, we selected Taiwan-Style Black Milk Tea to launch because it’s one of our best sellers and our Taiwan-Style Black Milk Tea flavor is really unique. Our single-origin loose-leaf black tea is a one-of-a-kind varietal, sourced from a small multi-generational family farm on a misty slope, fed by sweet mountain spring water.

Our tea flavor, aroma, and health benefits are un-parallel to anything on the market. We use pea milk and lightly sweetened our teas with organic agave so our tea flavors really come through. Only 45 calories & 6g of sugar per can.

What would the packaging look like?

Packaging design and sourcing begin for Costco. Luckily for us, Pauline Ang is a seasoned graphic design guru (with 15+ years in the food and beverage packaging for Fortune 500 companies) and designs all our packaging in-house so we could save costs and time here!

How to onboard?

Mountains of paperwork for our two-person team begin. We didn’t use a broker and did everything ourselves. Yes, a broker would have been so incredibly helpful to answer all the questions that we didn’t know the answers to and definitely would have saved us some headaches.

Big Takeaways

  • Don’t be afraid to chase the account you want to be in. Don’t be shy about sharing your vision of where you see the company. Special thanks to Ryan Sung of Honolulu Cookie Company and Vincent Kitirattragarn of Dang Foods for talking to us about their journey with Costco and encouraging us to go for it.
  • It can be done without a broker but not without headaches and some huge learning curves and we did make some mistakes along the way.
  • Have an advocate. We have been super lucky that our buyer has been so incredible to work with and it’s important to have such an advocate in the company. Cannot over-emphasize this enough!
  • Your team matters. Grateful to share this journey with Pauline Ang who is such an amazing friend and business partner. We are two moms that love Milk Tea and simply wanted to make milk tea —a quintessential Asian drink that we love—even better.

Don’t be shy about sharing your vision of where you see the company.

-Olivia chen

Connect with Olivia and Pauline

Your support would mean the world to our small business and the small family farms that use sustainable practices for a tea that’s better for you, and better for the planet. Follow our journey: Instagram, Facebook, TikTok, Twitter

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